V4L/DVB (3344a): Conversions from kmalloc+memset to k(z|c)alloc

Conversions from kmalloc+memset to k(z|c)alloc.

Signed-off-by: Panagiotis Issaris <takis@issaris.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

82 files changed, 118 insertions, 254 deletions

diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c
index 2899d34e5f7..04c1938b9c9 100644
--- a/drivers/media/common/saa7146_core.c
+++ b/drivers/media/common/saa7146_core.c
@@ -109,10 +109,9 @@ static struct scatterlist* vmalloc_to_sg(unsigned char *virt, int nr_pages)
         struct page *pg;
         int i;
 
-        sglist = kmalloc(sizeof(struct scatterlist)*nr_pages, GFP_KERNEL);
+        sglist = kcalloc(nr_pages, sizeof(struct scatterlist), GFP_KERNEL);
         if (NULL == sglist)
                 return NULL;
-        memset(sglist,0,sizeof(struct scatterlist)*nr_pages);
         for (i = 0; i < nr_pages; i++, virt += PAGE_SIZE) {
                 pg = vmalloc_to_page(virt);
                 if (NULL == pg)
@@ -306,15 +305,13 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent
         struct saa7146_dev *dev;
         int err = -ENOMEM;
 
-        dev = kmalloc(sizeof(struct saa7146_dev), GFP_KERNEL);
+        /* clear out mem for sure */
+        dev = kzalloc(sizeof(struct saa7146_dev), GFP_KERNEL);
         if (!dev) {
                 ERR(("out of memory.\n"));
                 goto out;
         }
 
-        /* clear out mem for sure */
-        memset(dev, 0x0, sizeof(struct saa7146_dev));
-
         DEB_EE(("pci:%p\n",pci));
 
         err = pci_enable_device(pci);
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index b614612be7b..f8cf73ed49a 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -239,13 +239,12 @@ static int fops_open(struct inode *inode, struct file *file)
         }
 
         /* allocate per open data */
-        fh = kmalloc(sizeof(*fh),GFP_KERNEL);
+        fh = kzalloc(sizeof(*fh),GFP_KERNEL);
         if (NULL == fh) {
                 DEB_S(("cannot allocate memory for per open data.\n"));
                 result = -ENOMEM;
                 goto out;
         }
-        memset(fh,0,sizeof(*fh));
 
         file->private_data = fh;
         fh->dev = dev;
@@ -464,12 +463,11 @@ static struct video_device device_template =
 
 int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
 {
-        struct saa7146_vv *vv = kmalloc (sizeof(struct saa7146_vv),GFP_KERNEL);
+        struct saa7146_vv *vv = kzalloc (sizeof(struct saa7146_vv),GFP_KERNEL);
         if( NULL == vv ) {
                 ERR(("out of memory. aborting.\n"));
                 return -1;
         }
-        memset(vv, 0x0, sizeof(*vv));
 
         DEB_EE(("dev:%p\n",dev));
 
diff --git a/drivers/media/dvb/b2c2/flexcop.c b/drivers/media/dvb/b2c2/flexcop.c
index 123ed96f6fa..56ba5247067 100644
--- a/drivers/media/dvb/b2c2/flexcop.c
+++ b/drivers/media/dvb/b2c2/flexcop.c
@@ -220,20 +220,18 @@ EXPORT_SYMBOL(flexcop_reset_block_300);
 struct flexcop_device *flexcop_device_kmalloc(size_t bus_specific_len)
 {
         void *bus;
-        struct flexcop_device *fc = kmalloc(sizeof(struct flexcop_device), GFP_KERNEL);
+        struct flexcop_device *fc = kzalloc(sizeof(struct flexcop_device), GFP_KERNEL);
         if (!fc) {
                 err("no memory");
                 return NULL;
         }
-        memset(fc, 0, sizeof(struct flexcop_device));
 
-        bus = kmalloc(bus_specific_len, GFP_KERNEL);
+        bus = kzalloc(bus_specific_len, GFP_KERNEL);
         if (!bus) {
                 err("no memory");
                 kfree(fc);
                 return NULL;
         }
-        memset(bus, 0, bus_specific_len);
 
         fc->bus_specific = bus;
 
diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
index 01b4e0aac04..f65f64b00ff 100644
--- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
@@ -786,10 +786,9 @@ static int dvb_bt8xx_probe(struct device *dev)
         struct pci_dev* bttv_pci_dev;
         int ret;
 
-        if (!(card = kmalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
+        if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
                 return -ENOMEM;
 
-        memset(card, 0, sizeof(*card));
         init_MUTEX(&card->lock);
         card->bttv_nr = sub->core->nr;
         strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
diff --git a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
index 4bb779aeff6..00347a75068 100644
--- a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
+++ b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
@@ -1649,21 +1649,17 @@ int dvb_ca_en50221_init(struct dvb_adapter *dvb_adapter,
                 return -EINVAL;
 
         /* initialise the system data */
-        if ((ca =
-             (struct dvb_ca_private *) kmalloc(sizeof(struct dvb_ca_private),
-                                               GFP_KERNEL)) == NULL) {
+        if ((ca = kzalloc(sizeof(struct dvb_ca_private), GFP_KERNEL)) == NULL) {
                 ret = -ENOMEM;
                 goto error;
         }
-        memset(ca, 0, sizeof(struct dvb_ca_private));
         ca->pub = pubca;
         ca->flags = flags;
         ca->slot_count = slot_count;
-        if ((ca->slot_info = kmalloc(sizeof(struct dvb_ca_slot) * slot_count, GFP_KERNEL)) == NULL) {
+        if ((ca->slot_info = kcalloc(slot_count, sizeof(struct dvb_ca_slot), GFP_KERNEL)) == NULL) {
                 ret = -ENOMEM;
                 goto error;
         }
-        memset(ca->slot_info, 0, sizeof(struct dvb_ca_slot) * slot_count);
         init_waitqueue_head(&ca->wait_queue);
         ca->thread_pid = 0;
         init_waitqueue_head(&ca->thread_queue);
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 4a08c4ab673..771f32d889e 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1024,13 +1024,12 @@ int dvb_register_frontend(struct dvb_adapter* dvb,
         if (down_interruptible (&frontend_mutex))
                 return -ERESTARTSYS;
 
-        fe->frontend_priv = kmalloc(sizeof(struct dvb_frontend_private), GFP_KERNEL);
+        fe->frontend_priv = kzalloc(sizeof(struct dvb_frontend_private), GFP_KERNEL);
         if (fe->frontend_priv == NULL) {
                 up(&frontend_mutex);
                 return -ENOMEM;
         }
         fepriv = fe->frontend_priv;
-        memset(fe->frontend_priv, 0, sizeof(struct dvb_frontend_private));
 
         init_MUTEX (&fepriv->sem);
         init_waitqueue_head (&fepriv->wait_queue);
diff --git a/drivers/media/dvb/dvb-usb/dtt200u-fe.c b/drivers/media/dvb/dvb-usb/dtt200u-fe.c
index 0a94ec22aeb..cd21ddbfd05 100644
--- a/drivers/media/dvb/dvb-usb/dtt200u-fe.c
+++ b/drivers/media/dvb/dvb-usb/dtt200u-fe.c
@@ -156,10 +156,9 @@ struct dvb_frontend* dtt200u_fe_attach(struct dvb_usb_device *d)
         struct dtt200u_fe_state* state = NULL;
 
         /* allocate memory for the internal state */
-        state = (struct dtt200u_fe_state*) kmalloc(sizeof(struct dtt200u_fe_state), GFP_KERNEL);
+        state = kzalloc(sizeof(struct dtt200u_fe_state), GFP_KERNEL);
         if (state == NULL)
                 goto error;
-        memset(state,0,sizeof(struct dtt200u_fe_state));
 
         deb_info("attaching frontend dtt200u\n");
 
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-init.c b/drivers/media/dvb/dvb-usb/dvb-usb-init.c
index 2e23060cbbc..716f8bf528c 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-init.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-init.c
@@ -154,12 +154,11 @@ int dvb_usb_device_init(struct usb_interface *intf, struct dvb_usb_properties
         }
 
         info("found a '%s' in warm state.",desc->name);
-        d = kmalloc(sizeof(struct dvb_usb_device),GFP_KERNEL);
+                d = kzalloc(sizeof(struct dvb_usb_device),GFP_KERNEL);
         if (d == NULL) {
                 err("no memory for 'struct dvb_usb_device'");
                 return ret;
         }
-        memset(d,0,sizeof(struct dvb_usb_device));
 
         d->udev = udev;
         memcpy(&d->props,props,sizeof(struct dvb_usb_properties));
@@ -167,13 +166,12 @@ int dvb_usb_device_init(struct usb_interface *intf, struct dvb_usb_properties
         d->owner = owner;
 
         if (d->props.size_of_priv > 0) {
-                d->priv = kmalloc(d->props.size_of_priv,GFP_KERNEL);
+                        d->priv = kzalloc(d->props.size_of_priv,GFP_KERNEL);
                 if (d->priv == NULL) {
                         err("no memory for priv in 'struct dvb_usb_device'");
                         kfree(d);
                         return -ENOMEM;
                 }
-                memset(d->priv,0,d->props.size_of_priv);
         }
 
         usb_set_intfdata(intf, d);
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-urb.c b/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
index 36b7048c02d..ee821974dc6 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
@@ -175,15 +175,13 @@ static int dvb_usb_allocate_stream_buffers(struct dvb_usb_device *d, int num, un
 
         deb_mem("all in all I will use %lu bytes for streaming\n",num*size);
 
-        if ((d->buf_list = kmalloc(num*sizeof(u8 *), GFP_ATOMIC)) == NULL)
+        if ((d->buf_list = kcalloc(num, sizeof(u8 *), GFP_ATOMIC)) == NULL)
                 return -ENOMEM;
 
-        if ((d->dma_addr = kmalloc(num*sizeof(dma_addr_t), GFP_ATOMIC)) == NULL) {
+        if ((d->dma_addr = kcalloc(num, sizeof(dma_addr_t), GFP_ATOMIC)) == NULL) {
                 kfree(d->buf_list);
                 return -ENOMEM;
         }
-        memset(d->buf_list,0,num*sizeof(u8 *));
-        memset(d->dma_addr,0,num*sizeof(dma_addr_t));
 
         d->state |= DVB_USB_STATE_URB_BUF;
 
@@ -285,10 +283,9 @@ int dvb_usb_urb_init(struct dvb_usb_device *d)
         usb_clear_halt(d->udev,usb_rcvbulkpipe(d->udev,d->props.urb.endpoint));
 
         /* allocate the array for the data transfer URBs */
-        d->urb_list = kmalloc(d->props.urb.count * sizeof(struct urb *),GFP_KERNEL);
+        d->urb_list = kzalloc(d->props.urb.count * sizeof(struct urb *),GFP_KERNEL);
         if (d->urb_list == NULL)
                 return -ENOMEM;
-        memset(d->urb_list,0,d->props.urb.count * sizeof(struct urb *));
         d->state |= DVB_USB_STATE_URB_LIST;
 
         switch (d->props.urb.type) {
diff --git a/drivers/media/dvb/dvb-usb/vp702x-fe.c b/drivers/media/dvb/dvb-usb/vp702x-fe.c
index 0885d9fb2bf..b6d95e1c9c5 100644
--- a/drivers/media/dvb/dvb-usb/vp702x-fe.c
+++ b/drivers/media/dvb/dvb-usb/vp702x-fe.c
@@ -281,10 +281,9 @@ static struct dvb_frontend_ops vp702x_fe_ops;
 
 struct dvb_frontend * vp702x_fe_attach(struct dvb_usb_device *d)
 {
-        struct vp702x_fe_state *s = kmalloc(sizeof(struct vp702x_fe_state), GFP_KERNEL);
+        struct vp702x_fe_state *s = kzalloc(sizeof(struct vp702x_fe_state), GFP_KERNEL);
         if (s == NULL)
                 goto error;
-        memset(s,0,sizeof(struct vp702x_fe_state));
 
         s->d = d;
         s->fe.ops = &vp702x_fe_ops;
diff --git a/drivers/media/dvb/dvb-usb/vp7045-fe.c b/drivers/media/dvb/dvb-usb/vp7045-fe.c
index 83f1de1e7e5..5242cca5db4 100644
--- a/drivers/media/dvb/dvb-usb/vp7045-fe.c
+++ b/drivers/media/dvb/dvb-usb/vp7045-fe.c
@@ -145,10 +145,9 @@ static struct dvb_frontend_ops vp7045_fe_ops;
 
 struct dvb_frontend * vp7045_fe_attach(struct dvb_usb_device *d)
 {
-        struct vp7045_fe_state *s = kmalloc(sizeof(struct vp7045_fe_state), GFP_KERNEL);
+        struct vp7045_fe_state *s = kzalloc(sizeof(struct vp7045_fe_state), GFP_KERNEL);
         if (s == NULL)
                 goto error;
-        memset(s,0,sizeof(struct vp7045_fe_state));
 
         s->d = d;
         s->fe.ops = &vp7045_fe_ops;
diff --git a/drivers/media/dvb/frontends/bcm3510.c b/drivers/media/dvb/frontends/bcm3510.c
index 3b132bafd4d..caaee893ca7 100644
--- a/drivers/media/dvb/frontends/bcm3510.c
+++ b/drivers/media/dvb/frontends/bcm3510.c
@@ -782,10 +782,9 @@ struct dvb_frontend* bcm3510_attach(const struct bcm3510_config *config,
         bcm3510_register_value v;
 
         /* allocate memory for the internal state */
-        state = kmalloc(sizeof(struct bcm3510_state), GFP_KERNEL);
+        state = kzalloc(sizeof(struct bcm3510_state), GFP_KERNEL);
         if (state == NULL)
                 goto error;
-        memset(state,0,sizeof(struct bcm3510_state));
 
         /* setup the state */
 
diff --git a/drivers/media/dvb/frontends/dib3000mb.c b/drivers/media/dvb/frontends/dib3000mb.c
index 6b055360861..ae589adb1c0 100644
--- a/drivers/media/dvb/frontends/dib3000mb.c
+++ b/drivers/media/dvb/frontends/dib3000mb.c
@@ -700,10 +700,9 @@ struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
         struct dib3000_state* state = NULL;
 
         /* allocate memory for the internal state */
-        state = kmalloc(sizeof(struct dib3000_state), GFP_KERNEL);
+        state = kzalloc(sizeof(struct dib3000_state), GFP_KERNEL);
         if (state == NULL)
                 goto error;
-        memset(state,0,sizeof(struct dib3000_state));
 
         /* setup the state */
         state->i2c = i2c;
diff --git a/drivers/media/dvb/frontends/dib3000mc.c b/drivers/media/dvb/frontends/dib3000mc.c
index c024fad1733..3b303dbb615 100644
--- a/drivers/media/dvb/frontends/dib3000mc.c
+++ b/drivers/media/dvb/frontends/dib3000mc.c
@@ -832,10 +832,9 @@ struct dvb_frontend* dib3000mc_attach(const struct dib3000_config* config,
         u16 devid;
 
         /* allocate memory for the internal state */
-        state = kmalloc(sizeof(struct dib3000_state), GFP_KERNEL);
+        state = kzalloc(sizeof(struct dib3000_state), GFP_KERNEL);
         if (state == NULL)
                 goto error;
-        memset(state,0,sizeof(struct dib3000_state));
 
         /* setup the state */
         state->i2c = i2c;
diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c
index 9d214643b87..4691ac54bc1 100644
--- a/drivers/media/dvb/frontends/lgdt330x.c
+++ b/drivers/media/dvb/frontends/lgdt330x.c
@@ -714,10 +714,9 @@ struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
         u8 buf[1];
 
         /* Allocate memory for the internal state */
-        state = (struct lgdt330x_state*) kmalloc(sizeof(struct lgdt330x_state), GFP_KERNEL);
+        state = kzalloc(sizeof(struct lgdt330x_state), GFP_KERNEL);
         if (state == NULL)
                 goto error;
-        memset(state,0,sizeof(*state));
 
         /* Setup the state */
         state->config = config;
diff --git a/drivers/media/dvb/frontends/mt352.c b/drivers/media/dvb/frontends/mt352.c
index f0c610f2c2d..aaaec909ddf 100644
--- a/drivers/media/dvb/frontends/mt352.c
+++ b/drivers/media/dvb/frontends/mt352.c
@@ -535,9 +535,8 @@ struct dvb_frontend* mt352_attach(const struct mt352_config* config,
         struct mt352_state* state = NULL;
 
         /* allocate memory for the internal state */
-        state = kmalloc(sizeof(struct mt352_state), GFP_KERNEL);
+        state = kzalloc(sizeof(struct mt352_state), GFP_KERNEL);
         if (state == NULL) goto error;
-        memset(state,0,sizeof(*state));
 
         /* setup the state */
         state->i2c = i2c;
diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c
index aeafef46e3e..78d2b93d35b 100644
--- a/drivers/media/dvb/frontends/nxt200x.c
+++ b/drivers/media/dvb/frontends/nxt200x.c
@@ -1110,10 +1110,9 @@ struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config,
         u8 buf [] = {0,0,0,0,0};
 
         /* allocate memory for the internal state */
-        state = (struct nxt200x_state*) kmalloc(sizeof(struct nxt200x_state), GFP_KERNEL);
+        state = kzalloc(sizeof(struct nxt200x_state), GFP_KERNEL);
         if (state == NULL)
                 goto error;
-        memset(state,0,sizeof(*state));
 
         /* setup the state */
         state->config = config;
diff --git a/drivers/media/dvb/pluto2/pluto2.c b/drivers/media/dvb/pluto2/pluto2.c
index bbebd1c4cac..1c5316e209e 100644
--- a/drivers/media/dvb/pluto2/pluto2.c
+++ b/drivers/media/dvb/pluto2/pluto2.c
@@ -584,11 +584,10 @@ static int __devinit pluto2_probe(struct pci_dev *pdev,
         struct dmx_demux *dmx;
         int ret = -ENOMEM;
 
-        pluto = kmalloc(sizeof(struct pluto), GFP_KERNEL);
+        pluto = kzalloc(sizeof(struct pluto), GFP_KERNEL);
         if (!pluto)
                 goto out;
 
-        memset(pluto, 0, sizeof(struct pluto));
         pluto->pdev = pdev;
 
         ret = pci_enable_device(pdev);
diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c
index 8ce4146f55f..327a8089193 100644
--- a/drivers/media/dvb/ttpci/av7110.c
+++ b/drivers/media/dvb/ttpci/av7110.c
@@ -2565,14 +2565,12 @@ static int av7110_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_d
         }
 
         /* prepare the av7110 device struct */
-        av7110 = kmalloc(sizeof(struct av7110), GFP_KERNEL);
+        av7110 = kzalloc(sizeof(struct av7110), GFP_KERNEL);
         if (!av7110) {
                 dprintk(1, "out of memory\n");
                 return -ENOMEM;
         }
 
-        memset(av7110, 0, sizeof(struct av7110));
-
         av7110->card_name = (char*) pci_ext->ext_priv;
         av7110->dev = dev;
         dev->ext_priv = av7110;
diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c
index f9d00452e63..aa264589576 100644
--- a/drivers/media/dvb/ttpci/budget-av.c
+++ b/drivers/media/dvb/ttpci/budget-av.c
@@ -1027,11 +1027,9 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
 
         dprintk(2, "dev: %p\n", dev);
 
-        if (!(budget_av = kmalloc(sizeof(struct budget_av), GFP_KERNEL)))
+        if (!(budget_av = kzalloc(sizeof(struct budget_av), GFP_KERNEL)))
                 return -ENOMEM;
 
-        memset(budget_av, 0, sizeof(struct budget_av));
-
         budget_av->has_saa7113 = 0;
         budget_av->budget.ci_present = 0;
 
diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
index 104df610dbe..5a13c4744f6 100644
--- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
+++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
@@ -1489,11 +1489,9 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 
         if (intf->altsetting->desc.bInterfaceNumber != 1) return -ENODEV;
 
-        if (!(ttusb = kmalloc(sizeof(struct ttusb), GFP_KERNEL)))
+        if (!(ttusb = kzalloc(sizeof(struct ttusb), GFP_KERNEL)))
                 return -ENOMEM;
 
-        memset(ttusb, 0, sizeof(struct ttusb));
-
         ttusb->dev = udev;
         ttusb->c = 0;
         ttusb->mux_state = 0;
diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c
index d8966d1d25e..df831171e03 100644
--- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/dvb/ttusb-dec/ttusb_dec.c
@@ -1606,15 +1606,13 @@ static int ttusb_dec_probe(struct usb_interface *intf,
 
         udev = interface_to_usbdev(intf);
 
-        if (!(dec = kmalloc(sizeof(struct ttusb_dec), GFP_KERNEL))) {
+        if (!(dec = kzalloc(sizeof(struct ttusb_dec), GFP_KERNEL))) {
                 printk("%s: couldn't allocate memory.\n", __FUNCTION__);
                 return -ENOMEM;
         }
 
         usb_set_intfdata(intf, (void *)dec);
 
-        memset(dec, 0, sizeof(struct ttusb_dec));
-
         switch (le16_to_cpu(id->idProduct)) {
         case 0x1006:
                 ttusb_dec_set_model(dec, TTUSB_DEC3000S);
diff --git a/drivers/media/radio/radio-gemtek-pci.c b/drivers/media/radio/radio-gemtek-pci.c
index 69ac8aa73eb..8e499b8f64c 100644
--- a/drivers/media/radio/radio-gemtek-pci.c
+++ b/drivers/media/radio/radio-gemtek-pci.c
@@ -318,11 +318,10 @@ static int __devinit gemtek_pci_probe( struct pci_dev *pci_dev, const struct pci
         struct gemtek_pci_card *card;
         struct video_device *devradio;
 
-        if ( (card = kmalloc( sizeof( struct gemtek_pci_card ), GFP_KERNEL )) == NULL ) {
+        if ( (card = kzalloc( sizeof( struct gemtek_pci_card ), GFP_KERNEL )) == NULL ) {
                 printk( KERN_ERR "gemtek_pci: out of memory\n" );
                 return -ENOMEM;
         }
-        memset( card, 0, sizeof( struct gemtek_pci_card ) );
 
         if ( pci_enable_device( pci_dev ) ) 
                 goto err_pci;
diff --git a/drivers/media/video/adv7170.c b/drivers/media/video/adv7170.c
index e61003de1d5..4ce07ae62da 100644
--- a/drivers/media/video/adv7170.c
+++ b/drivers/media/video/adv7170.c
@@ -413,10 +413,9 @@ adv7170_detect_client (struct i2c_adapter *adapter,
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_adv7170;
@@ -433,12 +432,11 @@ adv7170_detect_client (struct i2c_adapter *adapter,
         }
         strlcpy(I2C_NAME(client), dname, sizeof(I2C_NAME(client)));
 
-        encoder = kmalloc(sizeof(struct adv7170), GFP_KERNEL);
+        encoder = kzalloc(sizeof(struct adv7170), GFP_KERNEL);
         if (encoder == NULL) {
                 kfree(client);
                 return -ENOMEM;
         }
-        memset(encoder, 0, sizeof(struct adv7170));
         encoder->norm = VIDEO_MODE_NTSC;
         encoder->input = 0;
         encoder->enable = 1;
diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c
index 6d9536a71ee..4e218f22b21 100644
--- a/drivers/media/video/adv7175.c
+++ b/drivers/media/video/adv7175.c
@@ -463,10 +463,9 @@ adv7175_detect_client (struct i2c_adapter *adapter,
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_adv7175;
@@ -483,12 +482,11 @@ adv7175_detect_client (struct i2c_adapter *adapter,
         }
         strlcpy(I2C_NAME(client), dname, sizeof(I2C_NAME(client)));
 
-        encoder = kmalloc(sizeof(struct adv7175), GFP_KERNEL);
+        encoder = kzalloc(sizeof(struct adv7175), GFP_KERNEL);
         if (encoder == NULL) {
                 kfree(client);
                 return -ENOMEM;
         }
-        memset(encoder, 0, sizeof(struct adv7175));
         encoder->norm = VIDEO_MODE_PAL;
         encoder->input = 0;
         encoder->enable = 1;
diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c
index 560b9989175..d6447791d0e 100644
--- a/drivers/media/video/bt819.c
+++ b/drivers/media/video/bt819.c
@@ -528,21 +528,18 @@ bt819_detect_client (struct i2c_adapter *adapter,
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_bt819;
 
-        decoder = kmalloc(sizeof(struct bt819), GFP_KERNEL);
+        decoder = kzalloc(sizeof(struct bt819), GFP_KERNEL);
         if (decoder == NULL) {
                 kfree(client);
                 return -ENOMEM;
         }
-
-        memset(decoder, 0, sizeof(struct bt819));
         decoder->norm = VIDEO_MODE_NTSC;
         decoder->input = 0;
         decoder->enable = 1;
diff --git a/drivers/media/video/bt832.c b/drivers/media/video/bt832.c
index dda4aa6bef2..361a9b6ccce 100644
--- a/drivers/media/video/bt832.c
+++ b/drivers/media/video/bt832.c
@@ -167,9 +167,8 @@ static int bt832_attach(struct i2c_adapter *adap, int addr, int kind)
         client_template.adapter = adap;
         client_template.addr    = addr;
 
-        if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
+        if (NULL == (t = kzalloc(sizeof(*t), GFP_KERNEL)))
                 return -ENOMEM;
-        memset(t,0,sizeof(*t));
         t->client = client_template;
         i2c_set_clientdata(&t->client, t);
         i2c_attach_client(&t->client);
diff --git a/drivers/media/video/bt856.c b/drivers/media/video/bt856.c
index 60508069bbe..909b593530e 100644
--- a/drivers/media/video/bt856.c
+++ b/drivers/media/video/bt856.c
@@ -316,21 +316,19 @@ bt856_detect_client (struct i2c_adapter *adapter,
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_bt856;
         strlcpy(I2C_NAME(client), "bt856", sizeof(I2C_NAME(client)));
 
-        encoder = kmalloc(sizeof(struct bt856), GFP_KERNEL);
+        encoder = kzalloc(sizeof(struct bt856), GFP_KERNEL);
         if (encoder == NULL) {
                 kfree(client);
                 return -ENOMEM;
         }
-        memset(encoder, 0, sizeof(struct bt856));
         encoder->norm = VIDEO_MODE_NTSC;
         encoder->enable = 1;
         i2c_set_clientdata(client, encoder);
diff --git a/drivers/media/video/bttv-gpio.c b/drivers/media/video/bttv-gpio.c
index 575ce8b8e71..d64accc17b0 100644
--- a/drivers/media/video/bttv-gpio.c
+++ b/drivers/media/video/bttv-gpio.c
@@ -64,10 +64,9 @@ int bttv_sub_add_device(struct bttv_core *core, char *name)
         struct bttv_sub_device *sub;
         int err;
 
-        sub = kmalloc(sizeof(*sub),GFP_KERNEL);
+        sub = kzalloc(sizeof(*sub),GFP_KERNEL);
         if (NULL == sub)
                 return -ENOMEM;
-        memset(sub,0,sizeof(*sub));
 
         sub->core        = core;
         sub->dev.parent  = &core->pci->dev;
diff --git a/drivers/media/video/cpia_pp.c b/drivers/media/video/cpia_pp.c
index 6861d408f1b..74cff626e04 100644
--- a/drivers/media/video/cpia_pp.c
+++ b/drivers/media/video/cpia_pp.c
@@ -702,12 +702,11 @@ static int cpia_pp_register(struct parport *port)
                 return -ENXIO;
         }
 
-        cam = kmalloc(sizeof(struct pp_cam_entry), GFP_KERNEL);
+        cam = kzalloc(sizeof(struct pp_cam_entry), GFP_KERNEL);
         if (cam == NULL) {
                 LOG("failed to allocate camera structure\n");
                 return -ENOMEM;
         }
-        memset(cam,0,sizeof(struct pp_cam_entry));
         
         pdev = parport_register_device(port, "cpia_pp", NULL, NULL,
                                        NULL, 0, cam);
diff --git a/drivers/media/video/cpia_usb.c b/drivers/media/video/cpia_usb.c
index 1439cb75287..03275c37c5d 100644
--- a/drivers/media/video/cpia_usb.c
+++ b/drivers/media/video/cpia_usb.c
@@ -499,14 +499,12 @@ static int cpia_probe(struct usb_interface *intf,
 
         printk(KERN_INFO "USB CPiA camera found\n");
 
-        ucpia = kmalloc(sizeof(*ucpia), GFP_KERNEL);
+        ucpia = kzalloc(sizeof(*ucpia), GFP_KERNEL);
         if (!ucpia) {
                 printk(KERN_ERR "couldn't kmalloc cpia struct\n");
                 return -ENOMEM;
         }
 
-        memset(ucpia, 0, sizeof(*ucpia));
-
         ucpia->dev = udev;
         ucpia->iface = interface->desc.bInterfaceNumber;
         init_waitqueue_head(&ucpia->wq_stream);
diff --git a/drivers/media/video/cs53l32a.c b/drivers/media/video/cs53l32a.c
index b421068f7ea..9a66b5961d1 100644
--- a/drivers/media/video/cs53l32a.c
+++ b/drivers/media/video/cs53l32a.c
@@ -141,11 +141,10 @@ static int cs53l32a_attach(struct i2c_adapter *adapter, int address, int kind)
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
 
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver;
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c
index d45237d508c..c1734762436 100644
--- a/drivers/media/video/cx25840/cx25840-core.c
+++ b/drivers/media/video/cx25840/cx25840-core.c
@@ -862,11 +862,10 @@ static int cx25840_detect_client(struct i2c_adapter *adapter, int address,
         if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
 
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_cx25840;
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index a4906211931..a502a4d6e4a 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -1539,10 +1539,9 @@ static int mpeg_open(struct inode *inode, struct file *file)
         dprintk(1,"open minor=%d\n",minor);
 
         /* allocate + initialize per filehandle data */
-        fh = kmalloc(sizeof(*fh),GFP_KERNEL);
+        fh = kzalloc(sizeof(*fh),GFP_KERNEL);
         if (NULL == fh)
                 return -ENOMEM;
-        memset(fh,0,sizeof(*fh));
         file->private_data = fh;
         fh->dev      = dev;
 
@@ -1678,10 +1677,9 @@ static int __devinit blackbird_probe(struct pci_dev *pci_dev,
                 goto fail_core;
 
         err = -ENOMEM;
-        dev = kmalloc(sizeof(*dev),GFP_KERNEL);
+        dev = kzalloc(sizeof(*dev),GFP_KERNEL);
         if (NULL == dev)
                 goto fail_core;
-        memset(dev,0,sizeof(*dev));
         dev->pci = pci_dev;
         dev->core = core;
         dev->width = 720;
diff --git a/drivers/media/video/cx88/cx88-core.c b/drivers/media/video/cx88/cx88-core.c
index 9975be1aca3..194446f28c5 100644
--- a/drivers/media/video/cx88/cx88-core.c
+++ b/drivers/media/video/cx88/cx88-core.c
@@ -1050,11 +1050,10 @@ struct cx88_core* cx88_core_get(struct pci_dev *pci)
                 up(&devlist);
                 return core;
         }
-        core = kmalloc(sizeof(*core),GFP_KERNEL);
+        core = kzalloc(sizeof(*core),GFP_KERNEL);
         if (NULL == core)
                 goto fail_unlock;
 
-        memset(core,0,sizeof(*core));
         atomic_inc(&core->refcount);
         core->pci_bus  = pci->bus->number;
         core->pci_slot = PCI_SLOT(pci->devfn);
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 42c012aaa84..e48aa3f6e50 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -657,10 +657,9 @@ static int __devinit dvb_probe(struct pci_dev *pci_dev,
                 goto fail_core;
 
         err = -ENOMEM;
-        dev = kmalloc(sizeof(*dev),GFP_KERNEL);
+        dev = kzalloc(sizeof(*dev),GFP_KERNEL);
         if (NULL == dev)
                 goto fail_core;
-        memset(dev,0,sizeof(*dev));
         dev->pci = pci_dev;
         dev->core = core;
 
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 9a02515fe18..073494ceab0 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -750,10 +750,9 @@ static int video_open(struct inode *inode, struct file *file)
                 minor,radio,v4l2_type_names[type]);
 
         /* allocate + initialize per filehandle data */
-        fh = kmalloc(sizeof(*fh),GFP_KERNEL);
+        fh = kzalloc(sizeof(*fh),GFP_KERNEL);
         if (NULL == fh)
                 return -ENOMEM;
-        memset(fh,0,sizeof(*fh));
         file->private_data = fh;
         fh->dev      = dev;
         fh->radio    = radio;
@@ -1809,10 +1808,9 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
         struct cx88_core *core;
         int err;
 
-        dev = kmalloc(sizeof(*dev),GFP_KERNEL);
+        dev = kzalloc(sizeof(*dev),GFP_KERNEL);
         if (NULL == dev)
                 return -ENOMEM;
-        memset(dev,0,sizeof(*dev));
 
         /* pci init */
         dev->pci = pci_dev;
diff --git a/drivers/media/video/dpc7146.c b/drivers/media/video/dpc7146.c
index da9481198c5..2831bdd1205 100644
--- a/drivers/media/video/dpc7146.c
+++ b/drivers/media/video/dpc7146.c
@@ -94,12 +94,11 @@ static int dpc_probe(struct saa7146_dev* dev)
         struct i2c_client *client;
         struct list_head *item;
 
-        dpc = (struct dpc*)kmalloc(sizeof(struct dpc), GFP_KERNEL);
+        dpc = kzalloc(sizeof(struct dpc), GFP_KERNEL);
         if( NULL == dpc ) {
                 printk("dpc_v4l2.o: dpc_probe: not enough kernel memory.\n");
                 return -ENOMEM;
         }
-        memset(dpc, 0x0, sizeof(struct dpc));   
 
         /* FIXME: enable i2c-port pins, video-port-pins
            video port pins should be enabled here ?! */
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index fdc255918dd..3323dffe26a 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -1861,12 +1861,11 @@ static int em28xx_usb_probe(struct usb_interface *interface,
         }
 
         /* allocate memory for our device state and initialize it */
-        dev = kmalloc(sizeof(*dev), GFP_KERNEL);
+        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
         if (dev == NULL) {
                 em28xx_err(DRIVER_NAME ": out of memory!\n");
                 return -ENOMEM;
         }
-        memset(dev, 0, sizeof(*dev));
 
         /* compute alternate max packet sizes */
         uif = udev->actconfig->interface[0];
diff --git a/drivers/media/video/hexium_gemini.c b/drivers/media/video/hexium_gemini.c
index c9b00eafefd..e7bbeb11553 100644
--- a/drivers/media/video/hexium_gemini.c
+++ b/drivers/media/video/hexium_gemini.c
@@ -240,12 +240,11 @@ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_d
 
         DEB_EE((".\n"));
 
-        hexium = (struct hexium *) kmalloc(sizeof(struct hexium), GFP_KERNEL);
+        hexium = kzalloc(sizeof(struct hexium), GFP_KERNEL);
         if (NULL == hexium) {
                 printk("hexium_gemini: not enough kernel memory in hexium_attach().\n");
                 return -ENOMEM;
         }
-        memset(hexium, 0x0, sizeof(struct hexium));
         dev->ext_priv = hexium;
 
         /* enable i2c-port pins */
diff --git a/drivers/media/video/hexium_orion.c b/drivers/media/video/hexium_orion.c
index 42a9414155c..0b6c2096ec6 100644
--- a/drivers/media/video/hexium_orion.c
+++ b/drivers/media/video/hexium_orion.c
@@ -224,12 +224,11 @@ static int hexium_probe(struct saa7146_dev *dev)
                 return -EFAULT;
         }
 
-        hexium = (struct hexium *) kmalloc(sizeof(struct hexium), GFP_KERNEL);
+        hexium = kzalloc(sizeof(struct hexium), GFP_KERNEL);
         if (NULL == hexium) {
                 printk("hexium_orion: hexium_probe: not enough kernel memory.\n");
                 return -ENOMEM;
         }
-        memset(hexium, 0x0, sizeof(struct hexium));
 
         /* enable i2c-port pins */
         saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26));
diff --git a/drivers/media/video/indycam.c b/drivers/media/video/indycam.c
index bb5cbecffcc..7420b79e987 100644
--- a/drivers/media/video/indycam.c
+++ b/drivers/media/video/indycam.c
@@ -289,18 +289,15 @@ static int indycam_attach(struct i2c_adapter *adap, int addr, int kind)
         printk(KERN_INFO "SGI IndyCam driver version %s\n",
                INDYCAM_MODULE_VERSION);
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (!client)
                 return -ENOMEM;
-        camera = kmalloc(sizeof(struct indycam), GFP_KERNEL);
+        camera = kzalloc(sizeof(struct indycam), GFP_KERNEL);
         if (!camera) {
                 err = -ENOMEM;
                 goto out_free_client;
         }
 
-        memset(client, 0, sizeof(struct i2c_client));
-        memset(camera, 0, sizeof(struct indycam));
-
         client->addr = addr;
         client->adapter = adap;
         client->driver = &i2c_driver_indycam;
diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c
index 91681aa6c65..8416ceff524 100644
--- a/drivers/media/video/mxb.c
+++ b/drivers/media/video/mxb.c
@@ -177,12 +177,11 @@ static int mxb_probe(struct saa7146_dev* dev)
                 return -ENODEV;
         }
 
-        mxb = (struct mxb*)kmalloc(sizeof(struct mxb), GFP_KERNEL);
+        mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
         if( NULL == mxb ) {
                 DEB_D(("not enough kernel memory.\n"));
                 return -ENOMEM;
         }
-        memset(mxb, 0x0, sizeof(struct mxb));   
 
         mxb->i2c_adapter = (struct i2c_adapter) {
                 .class = I2C_CLASS_TV_ANALOG,
diff --git a/drivers/media/video/ovcamchip/ov6x20.c b/drivers/media/video/ovcamchip/ov6x20.c
index b3f4d266ced..c04130dab12 100644
--- a/drivers/media/video/ovcamchip/ov6x20.c
+++ b/drivers/media/video/ovcamchip/ov6x20.c
@@ -178,10 +178,9 @@ static int ov6x20_init(struct i2c_client *c)
         if (rc < 0)
                 return rc;
 
-        ov->spriv = s = kmalloc(sizeof *s, GFP_KERNEL);
+        ov->spriv = s = kzalloc(sizeof *s, GFP_KERNEL);
         if (!s)
                 return -ENOMEM;
-        memset(s, 0, sizeof *s);
 
         s->auto_brt = 1;
         s->auto_exp = 1;
diff --git a/drivers/media/video/ovcamchip/ov6x30.c b/drivers/media/video/ovcamchip/ov6x30.c
index 6eab458ab79..73b94f51a85 100644
--- a/drivers/media/video/ovcamchip/ov6x30.c
+++ b/drivers/media/video/ovcamchip/ov6x30.c
@@ -141,10 +141,9 @@ static int ov6x30_init(struct i2c_client *c)
         if (rc < 0)
                 return rc;
 
-        ov->spriv = s = kmalloc(sizeof *s, GFP_KERNEL);
+        ov->spriv = s = kzalloc(sizeof *s, GFP_KERNEL);
         if (!s)
                 return -ENOMEM;
-        memset(s, 0, sizeof *s);
 
         s->auto_brt = 1;
         s->auto_exp = 1;
diff --git a/drivers/media/video/ovcamchip/ov76be.c b/drivers/media/video/ovcamchip/ov76be.c
index 29bbdc05e3b..11f6be924d8 100644
--- a/drivers/media/video/ovcamchip/ov76be.c
+++ b/drivers/media/video/ovcamchip/ov76be.c
@@ -105,10 +105,9 @@ static int ov76be_init(struct i2c_client *c)
         if (rc < 0)
                 return rc;
 
-        ov->spriv = s = kmalloc(sizeof *s, GFP_KERNEL);
+        ov->spriv = s = kzalloc(sizeof *s, GFP_KERNEL);
         if (!s)
                 return -ENOMEM;
-        memset(s, 0, sizeof *s);
 
         s->auto_brt = 1;
         s->auto_exp = 1;
diff --git a/drivers/media/video/ovcamchip/ov7x10.c b/drivers/media/video/ovcamchip/ov7x10.c
index 6c383d4b14f..5206e791392 100644
--- a/drivers/media/video/ovcamchip/ov7x10.c
+++ b/drivers/media/video/ovcamchip/ov7x10.c
@@ -115,10 +115,9 @@ static int ov7x10_init(struct i2c_client *c)
         if (rc < 0)
                 return rc;
 
-        ov->spriv = s = kmalloc(sizeof *s, GFP_KERNEL);
+        ov->spriv = s = kzalloc(sizeof *s, GFP_KERNEL);
         if (!s)
                 return -ENOMEM;
-        memset(s, 0, sizeof *s);
 
         s->auto_brt = 1;
         s->auto_exp = 1;
diff --git a/drivers/media/video/ovcamchip/ov7x20.c b/drivers/media/video/ovcamchip/ov7x20.c
index 3c8c48f338b..8e26ae338f3 100644
--- a/drivers/media/video/ovcamchip/ov7x20.c
+++ b/drivers/media/video/ovcamchip/ov7x20.c
@@ -232,10 +232,9 @@ static int ov7x20_init(struct i2c_client *c)
         if (rc < 0)
                 return rc;
 
-        ov->spriv = s = kmalloc(sizeof *s, GFP_KERNEL);
+        ov->spriv = s = kzalloc(sizeof *s, GFP_KERNEL);
         if (!s)
                 return -ENOMEM;
-        memset(s, 0, sizeof *s);
 
         s->auto_brt = 1;
         s->auto_exp = DFL_AUTO_EXP;
diff --git a/drivers/media/video/ovcamchip/ovcamchip_core.c b/drivers/media/video/ovcamchip/ovcamchip_core.c
index 428f1bb75ec..e76b53d5909 100644
--- a/drivers/media/video/ovcamchip/ovcamchip_core.c
+++ b/drivers/media/video/ovcamchip/ovcamchip_core.c
@@ -316,12 +316,11 @@ static int ovcamchip_attach(struct i2c_adapter *adap)
         c->adapter = adap;
         strcpy(c->name, "OV????");
 
-        ov = kmalloc(sizeof *ov, GFP_KERNEL);
+        ov = kzalloc(sizeof *ov, GFP_KERNEL);
         if (!ov) {
                 rc = -ENOMEM;
                 goto no_ov;
         }
-        memset(ov, 0, sizeof *ov);
         i2c_set_clientdata(c, ov);
 
         rc = ovcamchip_detect(c);
diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c
index 0aa9e72f632..2ce01020130 100644
--- a/drivers/media/video/saa5246a.c
+++ b/drivers/media/video/saa5246a.c
@@ -83,13 +83,12 @@ static int saa5246a_attach(struct i2c_adapter *adap, int addr, int kind)
         client_template.adapter = adap;
         client_template.addr = addr;
         memcpy(client, &client_template, sizeof(*client));
-        t = kmalloc(sizeof(*t), GFP_KERNEL);
+        t = kzalloc(sizeof(*t), GFP_KERNEL);
         if(t==NULL)
         {
                 kfree(client);
                 return -ENOMEM;
         }
-        memset(t, 0, sizeof(*t));
         strlcpy(client->name, IF_NAME, I2C_NAME_SIZE);
         init_MUTEX(&t->lock);
 
diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c
index 73b4f0e2abf..5694eb58c3a 100644
--- a/drivers/media/video/saa5249.c
+++ b/drivers/media/video/saa5249.c
@@ -151,13 +151,12 @@ static int saa5249_attach(struct i2c_adapter *adap, int addr, int kind)
         client_template.adapter = adap;
         client_template.addr = addr;
         memcpy(client, &client_template, sizeof(*client));
-        t = kmalloc(sizeof(*t), GFP_KERNEL);
+        t = kzalloc(sizeof(*t), GFP_KERNEL);
         if(t==NULL)
         {
                 kfree(client);
                 return -ENOMEM;
         }
-        memset(t, 0, sizeof(*t));
         strlcpy(client->name, IF_NAME, I2C_NAME_SIZE);
         init_MUTEX(&t->lock);
         
@@ -165,7 +164,7 @@ static int saa5249_attach(struct i2c_adapter *adap, int addr, int kind)
          *      Now create a video4linux device
          */
          
-        vd = (struct video_device *)kmalloc(sizeof(struct video_device), GFP_KERNEL);
+        vd = kmalloc(sizeof(struct video_device), GFP_KERNEL);
         if(vd==NULL)
         {
                 kfree(t);
diff --git a/drivers/media/video/saa7110.c b/drivers/media/video/saa7110.c
index 619ff0b7a1f..7bb85a7b326 100644
--- a/drivers/media/video/saa7110.c
+++ b/drivers/media/video/saa7110.c
@@ -494,21 +494,19 @@ saa7110_detect_client (struct i2c_adapter *adapter,
              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_saa7110;
         strlcpy(I2C_NAME(client), "saa7110", sizeof(I2C_NAME(client)));
 
-        decoder = kmalloc(sizeof(struct saa7110), GFP_KERNEL);
+        decoder = kzalloc(sizeof(struct saa7110), GFP_KERNEL);
         if (decoder == 0) {
                 kfree(client);
                 return -ENOMEM;
         }
-        memset(decoder, 0, sizeof(struct saa7110));
         decoder->norm = VIDEO_MODE_PAL;
         decoder->input = 0;
         decoder->enable = 1;
diff --git a/drivers/media/video/saa7111.c b/drivers/media/video/saa7111.c
index acaeee592b5..8c06592b37f 100644
--- a/drivers/media/video/saa7111.c
+++ b/drivers/media/video/saa7111.c
@@ -511,21 +511,19 @@ saa7111_detect_client (struct i2c_adapter *adapter,
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_saa7111;
         strlcpy(I2C_NAME(client), "saa7111", sizeof(I2C_NAME(client)));
 
-        decoder = kmalloc(sizeof(struct saa7111), GFP_KERNEL);
+        decoder = kzalloc(sizeof(struct saa7111), GFP_KERNEL);
         if (decoder == NULL) {
                 kfree(client);
                 return -ENOMEM;
         }
-        memset(decoder, 0, sizeof(struct saa7111));
         decoder->norm = VIDEO_MODE_NTSC;
         decoder->input = 0;
         decoder->enable = 1;
diff --git a/drivers/media/video/saa7114.c b/drivers/media/video/saa7114.c
index b7ac0122f72..fd0a4b4ef01 100644
--- a/drivers/media/video/saa7114.c
+++ b/drivers/media/video/saa7114.c
@@ -852,21 +852,19 @@ saa7114_detect_client (struct i2c_adapter *adapter,
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_saa7114;
         strlcpy(I2C_NAME(client), "saa7114", sizeof(I2C_NAME(client)));
 
-        decoder = kmalloc(sizeof(struct saa7114), GFP_KERNEL);
+        decoder = kzalloc(sizeof(struct saa7114), GFP_KERNEL);
         if (decoder == NULL) {
                 kfree(client);
                 return -ENOMEM;
         }
-        memset(decoder, 0, sizeof(struct saa7114));
         decoder->norm = VIDEO_MODE_NTSC;
         decoder->input = -1;
         decoder->enable = 1;
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index 4a4bc69fb0e..ab8b4bcb5dd 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -1249,10 +1249,9 @@ static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind)
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_saa7115;
@@ -1272,13 +1271,12 @@ static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind)
         }
         v4l_info(client, "saa711%d found @ 0x%x (%s)\n", chip_id, address << 1, adapter->name);
 
-        state = kmalloc(sizeof(struct saa7115_state), GFP_KERNEL);
+        state = kzalloc(sizeof(struct saa7115_state), GFP_KERNEL);
         i2c_set_clientdata(client, state);
         if (state == NULL) {
                 kfree(client);
                 return -ENOMEM;
         }
-        memset(state, 0, sizeof(struct saa7115_state));
         state->std = V4L2_STD_NTSC;
         state->input = -1;
         state->enable = 1;
diff --git a/drivers/media/video/saa711x.c b/drivers/media/video/saa711x.c
index f39a7be0858..ae53063875f 100644
--- a/drivers/media/video/saa711x.c
+++ b/drivers/media/video/saa711x.c
@@ -487,20 +487,18 @@ saa711x_detect_client (struct i2c_adapter *adapter,
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_saa711x;
         strlcpy(I2C_NAME(client), "saa711x", sizeof(I2C_NAME(client)));
-        decoder = kmalloc(sizeof(struct saa711x), GFP_KERNEL);
+        decoder = kzalloc(sizeof(struct saa711x), GFP_KERNEL);
         if (decoder == NULL) {
                 kfree(client);
                 return -ENOMEM;
         }
-        memset(decoder, 0, sizeof(struct saa711x));
         decoder->norm = VIDEO_MODE_NTSC;
         decoder->input = 0;
         decoder->enable = 1;
diff --git a/drivers/media/video/saa7127.c b/drivers/media/video/saa7127.c
index 2009c1bc472..d14eb3e5c96 100644
--- a/drivers/media/video/saa7127.c
+++ b/drivers/media/video/saa7127.c
@@ -689,11 +689,10 @@ static int saa7127_attach(struct i2c_adapter *adapter, int address, int kind)
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
 
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_saa7127;
@@ -712,7 +711,7 @@ static int saa7127_attach(struct i2c_adapter *adapter, int address, int kind)
                 kfree(client);
                 return 0;
         }
-        state = kmalloc(sizeof(struct saa7127_state), GFP_KERNEL);
+        state = kzalloc(sizeof(struct saa7127_state), GFP_KERNEL);
 
         if (state == NULL) {
                 kfree(client);
@@ -720,7 +719,6 @@ static int saa7127_attach(struct i2c_adapter *adapter, int address, int kind)
         }
 
         i2c_set_clientdata(client, state);
-        memset(state, 0, sizeof(struct saa7127_state));
 
         /* Configure Encoder */
 
diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c
index ad73c4a60f2..0e0ba50946e 100644
--- a/drivers/media/video/saa7134/saa6752hs.c
+++ b/drivers/media/video/saa7134/saa6752hs.c
@@ -511,9 +511,8 @@ static int saa6752hs_attach(struct i2c_adapter *adap, int addr, int kind)
         struct saa6752hs_state *h;
 
 
-        if (NULL == (h = kmalloc(sizeof(*h), GFP_KERNEL)))
+        if (NULL == (h = kzalloc(sizeof(*h), GFP_KERNEL)))
                 return -ENOMEM;
-        memset(h,0,sizeof(*h));
         h->client = client_template;
         h->params = param_defaults;
         h->client.adapter = adap;
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index accbc32725c..3983a6524ca 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -803,10 +803,9 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
         struct saa7134_mpeg_ops *mops;
         int err;
 
-        dev = kmalloc(sizeof(*dev),GFP_KERNEL);
+        dev = kzalloc(sizeof(*dev),GFP_KERNEL);
         if (NULL == dev)
                 return -ENOMEM;
-        memset(dev,0,sizeof(*dev));
 
         /* pci init */
         dev->pci = pci_dev;
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c
index adfa8fe49a1..e97426bc85d 100644
--- a/drivers/media/video/saa7134/saa7134-video.c
+++ b/drivers/media/video/saa7134/saa7134-video.c
@@ -1264,10 +1264,9 @@ static int video_open(struct inode *inode, struct file *file)
                 v4l2_type_names[type]);
 
         /* allocate + initialize per filehandle data */
-        fh = kmalloc(sizeof(*fh),GFP_KERNEL);
+        fh = kzalloc(sizeof(*fh),GFP_KERNEL);
         if (NULL == fh)
                 return -ENOMEM;
-        memset(fh,0,sizeof(*fh));
         file->private_data = fh;
         fh->dev      = dev;
         fh->radio    = radio;
diff --git a/drivers/media/video/saa7185.c b/drivers/media/video/saa7185.c
index f72a9f79620..3ed0edb870a 100644
--- a/drivers/media/video/saa7185.c
+++ b/drivers/media/video/saa7185.c
@@ -408,21 +408,19 @@ saa7185_detect_client (struct i2c_adapter *adapter,
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_saa7185;
         strlcpy(I2C_NAME(client), "saa7185", sizeof(I2C_NAME(client)));
 
-        encoder = kmalloc(sizeof(struct saa7185), GFP_KERNEL);
+        encoder = kzalloc(sizeof(struct saa7185), GFP_KERNEL);
         if (encoder == NULL) {
                 kfree(client);
                 return -ENOMEM;
         }
-        memset(encoder, 0, sizeof(struct saa7185));
         encoder->norm = VIDEO_MODE_NTSC;
         encoder->enable = 1;
         i2c_set_clientdata(client, encoder);
diff --git a/drivers/media/video/saa7191.c b/drivers/media/video/saa7191.c
index 41f6f05a043..746cadb8f1c 100644
--- a/drivers/media/video/saa7191.c
+++ b/drivers/media/video/saa7191.c
@@ -571,18 +571,15 @@ static int saa7191_attach(struct i2c_adapter *adap, int addr, int kind)
         printk(KERN_INFO "Philips SAA7191 driver version %s\n",
                SAA7191_MODULE_VERSION);
 
-        client = kmalloc(sizeof(*client), GFP_KERNEL);
+        client = kzalloc(sizeof(*client), GFP_KERNEL);
         if (!client)
                 return -ENOMEM;
-        decoder = kmalloc(sizeof(*decoder), GFP_KERNEL);
+        decoder = kzalloc(sizeof(*decoder), GFP_KERNEL);
         if (!decoder) {
                 err = -ENOMEM;
                 goto out_free_client;
         }
 
-        memset(client, 0, sizeof(struct i2c_client));
-        memset(decoder, 0, sizeof(struct saa7191));
-
         client->addr = addr;
         client->adapter = adap;
         client->driver = &i2c_driver_saa7191;
diff --git a/drivers/media/video/tda7432.c b/drivers/media/video/tda7432.c
index 99261f15e66..873796bedec 100644
--- a/drivers/media/video/tda7432.c
+++ b/drivers/media/video/tda7432.c
@@ -300,10 +300,9 @@ static int tda7432_attach(struct i2c_adapter *adap, int addr, int kind)
         struct tda7432 *t;
         struct i2c_client *client;
 
-        t = kmalloc(sizeof *t,GFP_KERNEL);
+        t = kzalloc(sizeof *t,GFP_KERNEL);
         if (!t)
                 return -ENOMEM;
-        memset(t,0,sizeof *t);
 
         client = &t->c;
         memcpy(client,&client_template,sizeof(struct i2c_client));
diff --git a/drivers/media/video/tda9875.c b/drivers/media/video/tda9875.c
index 299393bf900..ef98c498225 100644
--- a/drivers/media/video/tda9875.c
+++ b/drivers/media/video/tda9875.c
@@ -232,10 +232,9 @@ static int tda9875_attach(struct i2c_adapter *adap, int addr, int kind)
         struct i2c_client *client;
         dprintk("In tda9875_attach\n");
 
-        t = kmalloc(sizeof *t,GFP_KERNEL);
+        t = kzalloc(sizeof *t,GFP_KERNEL);
         if (!t)
                 return -ENOMEM;
-        memset(t,0,sizeof *t);
 
         client = &t->c;
         memcpy(client,&client_template,sizeof(struct i2c_client));
diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c
index 9cf47dc6557..5815649bdc7 100644
--- a/drivers/media/video/tda9887.c
+++ b/drivers/media/video/tda9887.c
@@ -696,9 +696,8 @@ static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind)
         client_template.adapter = adap;
         client_template.addr    = addr;
 
-        if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
+        if (NULL == (t = kzalloc(sizeof(*t), GFP_KERNEL)))
                 return -ENOMEM;
-        memset(t,0,sizeof(*t));
 
         t->client      = client_template;
         t->std         = 0;
diff --git a/drivers/media/video/tea6420.c b/drivers/media/video/tea6420.c
index c4ba3742f5c..4dcba5a4fff 100644
--- a/drivers/media/video/tea6420.c
+++ b/drivers/media/video/tea6420.c
@@ -99,11 +99,10 @@ static int tea6420_detect(struct i2c_adapter *adapter, int address, int kind)
         }
 
         /* allocate memory for client structure */
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (0 == client) {
                 return -ENOMEM;
         }
-        memset(client, 0x0, sizeof(struct i2c_client));
 
         /* fill client structure */
         memcpy(client, &client_template, sizeof(struct i2c_client));
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 57bc585a695..89d013ce5ed 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -410,10 +410,9 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
         client_template.adapter = adap;
         client_template.addr = addr;
 
-        t = kmalloc(sizeof(struct tuner), GFP_KERNEL);
+        t = kzalloc(sizeof(struct tuner), GFP_KERNEL);
         if (NULL == t)
                 return -ENOMEM;
-        memset(t, 0, sizeof(struct tuner));
         memcpy(&t->i2c, &client_template, sizeof(struct i2c_client));
         i2c_set_clientdata(&t->i2c, t);
         t->type = UNSET;
diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c
index b582943a0d3..9baa6392e9b 100644
--- a/drivers/media/video/tvaudio.c
+++ b/drivers/media/video/tvaudio.c
@@ -1468,10 +1468,9 @@ static int chip_attach(struct i2c_adapter *adap, int addr, int kind)
         struct CHIPSTATE *chip;
         struct CHIPDESC  *desc;
 
-        chip = kmalloc(sizeof(*chip),GFP_KERNEL);
+        chip = kzalloc(sizeof(*chip),GFP_KERNEL);
         if (!chip)
                 return -ENOMEM;
-        memset(chip,0,sizeof(*chip));
         memcpy(&chip->c,&client_template,sizeof(struct i2c_client));
         chip->c.adapter = adap;
         chip->c.addr = addr;
diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c
index fd0acc5da66..5e71a354e87 100644
--- a/drivers/media/video/tveeprom.c
+++ b/drivers/media/video/tveeprom.c
@@ -719,8 +719,7 @@ tveeprom_command(struct i2c_client *client,
 
         switch (cmd) {
         case 0:
-                buf = kmalloc(256,GFP_KERNEL);
-                memset(buf,0,256);
+                buf = kzalloc(256,GFP_KERNEL);
                 tveeprom_read(client,buf,256);
                 tveeprom_hauppauge_analog(client, &eeprom,buf);
                 kfree(buf);
@@ -743,10 +742,9 @@ tveeprom_detect_client(struct i2c_adapter *adapter,
 {
         struct i2c_client *client;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (NULL == client)
                 return -ENOMEM;
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver_tveeprom;
diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
index c35b8042eee..e86b522938f 100644
--- a/drivers/media/video/tvp5150.c
+++ b/drivers/media/video/tvp5150.c
@@ -1074,12 +1074,11 @@ static int tvp5150_detect_client(struct i2c_adapter *adapter,
                 return -ENOMEM;
         memcpy(c, &client_template, sizeof(struct i2c_client));
 
-        core = kmalloc(sizeof(struct tvp5150), GFP_KERNEL);
+        core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
         if (core == 0) {
                 kfree(c);
                 return -ENOMEM;
         }
-        memset(core, 0, sizeof(struct tvp5150));
         i2c_set_clientdata(c, core);
 
         rv = i2c_attach_client(c);
diff --git a/drivers/media/video/v4l1-compat.c b/drivers/media/video/v4l1-compat.c
index 2ab5b409380..474a29bc176 100644
--- a/drivers/media/video/v4l1-compat.c
+++ b/drivers/media/video/v4l1-compat.c
@@ -305,9 +305,8 @@ v4l_compat_translate_ioctl(struct inode         *inode,
         {
                 struct video_capability *cap = arg;
 
-                cap2 = kmalloc(sizeof(*cap2),GFP_KERNEL);
+                cap2 = kzalloc(sizeof(*cap2),GFP_KERNEL);
                 memset(cap, 0, sizeof(*cap));
-                memset(cap2, 0, sizeof(*cap2));
                 memset(&fbuf2, 0, sizeof(fbuf2));
 
                 err = drv(inode, file, VIDIOC_QUERYCAP, cap2);
@@ -422,9 +421,8 @@ v4l_compat_translate_ioctl(struct inode         *inode,
         {
                 struct video_window     *win = arg;
 
-                fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
+                fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
                 memset(win,0,sizeof(*win));
-                memset(fmt2,0,sizeof(*fmt2));
 
                 fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
                 err = drv(inode, file, VIDIOC_G_FMT, fmt2);
@@ -461,8 +459,7 @@ v4l_compat_translate_ioctl(struct inode         *inode,
                 struct video_window     *win = arg;
                 int err1,err2;
 
-                fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
-                memset(fmt2,0,sizeof(*fmt2));
+                fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
                 fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
                 drv(inode, file, VIDIOC_STREAMOFF, &fmt2->type);
                 err1 = drv(inode, file, VIDIOC_G_FMT, fmt2);
@@ -595,8 +592,7 @@ v4l_compat_translate_ioctl(struct inode         *inode,
                 pict->whiteness = get_v4l_control(inode, file,
                                                   V4L2_CID_WHITENESS, drv);
 
-                fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
-                memset(fmt2,0,sizeof(*fmt2));
+                fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
                 fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
                 err = drv(inode, file, VIDIOC_G_FMT, fmt2);
                 if (err < 0) {
@@ -622,8 +618,7 @@ v4l_compat_translate_ioctl(struct inode         *inode,
                 set_v4l_control(inode, file,
                                 V4L2_CID_WHITENESS, pict->whiteness, drv);
 
-                fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
-                memset(fmt2,0,sizeof(*fmt2));
+                fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
                 fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
                 err = drv(inode, file, VIDIOC_G_FMT, fmt2);
                 if (err < 0)
@@ -846,9 +841,8 @@ v4l_compat_translate_ioctl(struct inode         *inode,
         {
                 struct video_mmap       *mm = arg;
 
-                fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
+                fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
                 memset(&buf2,0,sizeof(buf2));
-                memset(fmt2,0,sizeof(*fmt2));
 
                 fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
                 err = drv(inode, file, VIDIOC_G_FMT, fmt2);
@@ -942,8 +936,7 @@ v4l_compat_translate_ioctl(struct inode         *inode,
         {
                 struct vbi_format      *fmt = arg;
 
-                fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
-                memset(fmt2, 0, sizeof(*fmt2));
+                fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
                 fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
 
                 err = drv(inode, file, VIDIOC_G_FMT, fmt2);
@@ -975,8 +968,7 @@ v4l_compat_translate_ioctl(struct inode         *inode,
                         break;
                 }
 
-                fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
-                memset(fmt2, 0, sizeof(*fmt2));
+                fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
 
                 fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
                 fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line;
diff --git a/drivers/media/video/video-buf.c b/drivers/media/video/video-buf.c
index 9a6bf287e26..9ef477523d2 100644
--- a/drivers/media/video/video-buf.c
+++ b/drivers/media/video/video-buf.c
@@ -52,10 +52,9 @@ videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages)
         struct page *pg;
         int i;
 
-        sglist = kmalloc(sizeof(struct scatterlist)*nr_pages, GFP_KERNEL);
+        sglist = kcalloc(nr_pages, sizeof(struct scatterlist), GFP_KERNEL);
         if (NULL == sglist)
                 return NULL;
-        memset(sglist,0,sizeof(struct scatterlist)*nr_pages);
         for (i = 0; i < nr_pages; i++, virt += PAGE_SIZE) {
                 pg = vmalloc_to_page(virt);
                 if (NULL == pg)
@@ -80,10 +79,9 @@ videobuf_pages_to_sg(struct page **pages, int nr_pages, int offset)
 
         if (NULL == pages[0])
                 return NULL;
-        sglist = kmalloc(sizeof(*sglist) * nr_pages, GFP_KERNEL);
+        sglist = kcalloc(nr_pages, sizeof(*sglist), GFP_KERNEL);
         if (NULL == sglist)
                 return NULL;
-        memset(sglist, 0, sizeof(*sglist) * nr_pages);
 
         if (NULL == pages[0])
                 goto nopage;
@@ -284,9 +282,8 @@ void* videobuf_alloc(unsigned int size)
 {
         struct videobuf_buffer *vb;
 
-        vb = kmalloc(size,GFP_KERNEL);
+        vb = kzalloc(size,GFP_KERNEL);
         if (NULL != vb) {
-                memset(vb,0,size);
                 videobuf_dma_init(&vb->dma);
                 init_waitqueue_head(&vb->done);
                 vb->magic     = MAGIC_BUFFER;
diff --git a/drivers/media/video/videocodec.c b/drivers/media/video/videocodec.c
index 839db622040..8f271de57fd 100644
--- a/drivers/media/video/videocodec.c
+++ b/drivers/media/video/videocodec.c
@@ -124,17 +124,13 @@ videocodec_attach (struct videocodec_master *master)
                         if (res == 0) {
                                 dprintk(3, "videocodec_attach '%s'\n",
                                         codec->name);
-                                ptr = (struct attached_list *)
-                                    kmalloc(sizeof(struct attached_list),
-                                            GFP_KERNEL);
+                                ptr = kzalloc(sizeof(struct attached_list), GFP_KERNEL);
                                 if (!ptr) {
                                         dprintk(1,
                                                 KERN_ERR
                                                 "videocodec_attach: no memory\n");
                                         goto out_kfree;
                                 }
-                                memset(ptr, 0,
-                                       sizeof(struct attached_list));
                                 ptr->codec = codec;
 
                                 a = h->list;
@@ -249,14 +245,11 @@ videocodec_register (const struct videocodec *codec)
                 "videocodec: register '%s', type: %x, flags %lx, magic %lx\n",
                 codec->name, codec->type, codec->flags, codec->magic);
 
-        ptr =
-            (struct codec_list *) kmalloc(sizeof(struct codec_list),
-                                          GFP_KERNEL);
+        ptr = kzalloc(sizeof(struct codec_list), GFP_KERNEL);
         if (!ptr) {
                 dprintk(1, KERN_ERR "videocodec_register: no memory\n");
                 return -ENOMEM;
         }
-        memset(ptr, 0, sizeof(struct codec_list));
         ptr->codec = codec;
 
         if (!h) {
diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index 9a9902c56ae..d5be2598714 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -52,10 +52,7 @@ struct video_device *video_device_alloc(void)
 {
         struct video_device *vfd;
 
-        vfd = kmalloc(sizeof(*vfd),GFP_KERNEL);
-        if (NULL == vfd)
-                return NULL;
-        memset(vfd,0,sizeof(*vfd));
+        vfd = kzalloc(sizeof(*vfd),GFP_KERNEL);
         return vfd;
 }
 
diff --git a/drivers/media/video/vino.c b/drivers/media/video/vino.c
index 71b28e9e085..c8fd8238904 100644
--- a/drivers/media/video/vino.c
+++ b/drivers/media/video/vino.c
@@ -4499,13 +4499,11 @@ static int vino_init(void)
         dma_addr_t dma_dummy_address;
         int i;
 
-        vino_drvdata = (struct vino_settings *)
-                kmalloc(sizeof(struct vino_settings), GFP_KERNEL);
+        vino_drvdata = kzalloc(sizeof(struct vino_settings), GFP_KERNEL);
         if (!vino_drvdata) {
                 vino_module_cleanup(vino_init_stage);
                 return -ENOMEM;
         }
-        memset(vino_drvdata, 0, sizeof(struct vino_settings));
         vino_init_stage++;
 
         /* create a dummy dma descriptor */
diff --git a/drivers/media/video/vpx3220.c b/drivers/media/video/vpx3220.c
index 8dcee8b60e2..d0a1e72ea8c 100644
--- a/drivers/media/video/vpx3220.c
+++ b/drivers/media/video/vpx3220.c
@@ -621,13 +621,11 @@ vpx3220_detect_client (struct i2c_adapter *adapter,
             (adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == NULL) {
                 return -ENOMEM;
         }
 
-        memset(client, 0, sizeof(struct i2c_client));
-
         client->addr = address;
         client->adapter = adapter;
         client->driver = &vpx3220_i2c_driver;
@@ -675,12 +673,11 @@ vpx3220_detect_client (struct i2c_adapter *adapter,
                         sizeof(I2C_NAME(client)));
         }
 
-        decoder = kmalloc(sizeof(struct vpx3220), GFP_KERNEL);
+        decoder = kzalloc(sizeof(struct vpx3220), GFP_KERNEL);
         if (decoder == NULL) {
                 kfree(client);
                 return -ENOMEM;
         }
-        memset(decoder, 0, sizeof(struct vpx3220));
         decoder->norm = VIDEO_MODE_PAL;
         decoder->input = 0;
         decoder->enable = 1;
diff --git a/drivers/media/video/wm8775.c b/drivers/media/video/wm8775.c
index c2e6d2e9f5f..8cb64f8a8a9 100644
--- a/drivers/media/video/wm8775.c
+++ b/drivers/media/video/wm8775.c
@@ -166,11 +166,10 @@ static int wm8775_attach(struct i2c_adapter *adapter, int address, int kind)
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                 return 0;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (client == 0)
                 return -ENOMEM;
 
-        memset(client, 0, sizeof(struct i2c_client));
         client->addr = address;
         client->adapter = adapter;
         client->driver = &i2c_driver;
diff --git a/drivers/media/video/zoran_card.c b/drivers/media/video/zoran_card.c
index 39a0d238900..ea3288661a3 100644
--- a/drivers/media/video/zoran_card.c
+++ b/drivers/media/video/zoran_card.c
@@ -1050,7 +1050,7 @@ zr36057_init (struct zoran *zr)
         /* allocate memory *before* doing anything to the hardware
          * in case allocation fails */
         mem_needed = BUZ_NUM_STAT_COM * 4;
-        mem = (unsigned long) kmalloc(mem_needed, GFP_KERNEL);
+        mem = kzalloc(mem_needed, GFP_KERNEL);
         vdev = (void *) kmalloc(sizeof(struct video_device), GFP_KERNEL);
         if (!mem || !vdev) {
                 dprintk(1,
@@ -1061,7 +1061,6 @@ zr36057_init (struct zoran *zr)
                 kfree((void *)mem);
                 return -ENOMEM;
         }
-        memset((void *) mem, 0, mem_needed);
         zr->stat_com = (u32 *) mem;
         for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
                 zr->stat_com[j] = 1;    /* mark as unavailable to zr36057 */
diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran_driver.c
index 15283f44e79..485553be190 100644
--- a/drivers/media/video/zoran_driver.c
+++ b/drivers/media/video/zoran_driver.c
@@ -1345,7 +1345,7 @@ zoran_open (struct inode *inode,
                 ZR_DEVNAME(zr), current->comm, current->pid, zr->user);
 
         /* now, create the open()-specific file_ops struct */
-        fh = kmalloc(sizeof(struct zoran_fh), GFP_KERNEL);
+        fh = kzalloc(sizeof(struct zoran_fh), GFP_KERNEL);
         if (!fh) {
                 dprintk(1,
                         KERN_ERR
@@ -1354,7 +1354,6 @@ zoran_open (struct inode *inode,
                 res = -ENOMEM;
                 goto open_unlock_and_return;
         }
-        memset(fh, 0, sizeof(struct zoran_fh));
         /* used to be BUZ_MAX_WIDTH/HEIGHT, but that gives overflows
          * on norm-change! */
         fh->overlay_mask =
diff --git a/drivers/media/video/zr36016.c b/drivers/media/video/zr36016.c
index 4ed898585c7..10130ef67ea 100644
--- a/drivers/media/video/zr36016.c
+++ b/drivers/media/video/zr36016.c
@@ -451,12 +451,11 @@ zr36016_setup (struct videocodec *codec)
                 return -ENOSPC;
         }
         //mem structure init
-        codec->data = ptr = kmalloc(sizeof(struct zr36016), GFP_KERNEL);
+        codec->data = ptr = kzalloc(sizeof(struct zr36016), GFP_KERNEL);
         if (NULL == ptr) {
                 dprintk(1, KERN_ERR "zr36016: Can't get enough memory!\n");
                 return -ENOMEM;
         }
-        memset(ptr, 0, sizeof(struct zr36016));
 
         snprintf(ptr->name, sizeof(ptr->name), "zr36016[%d]",
                  zr36016_codecs);
diff --git a/drivers/media/video/zr36050.c b/drivers/media/video/zr36050.c
index 0144576a612..bd0cd28543c 100644
--- a/drivers/media/video/zr36050.c
+++ b/drivers/media/video/zr36050.c
@@ -813,12 +813,11 @@ zr36050_setup (struct videocodec *codec)
                 return -ENOSPC;
         }
         //mem structure init
-        codec->data = ptr = kmalloc(sizeof(struct zr36050), GFP_KERNEL);
+        codec->data = ptr = kzalloc(sizeof(struct zr36050), GFP_KERNEL);
         if (NULL == ptr) {
                 dprintk(1, KERN_ERR "zr36050: Can't get enough memory!\n");
                 return -ENOMEM;
         }
-        memset(ptr, 0, sizeof(struct zr36050));
 
         snprintf(ptr->name, sizeof(ptr->name), "zr36050[%d]",
                  zr36050_codecs);
diff --git a/drivers/media/video/zr36060.c b/drivers/media/video/zr36060.c
index 129744a07ab..28fa31a5f15 100644
--- a/drivers/media/video/zr36060.c
+++ b/drivers/media/video/zr36060.c
@@ -919,12 +919,11 @@ zr36060_setup (struct videocodec *codec)
                 return -ENOSPC;
         }
         //mem structure init
-        codec->data = ptr = kmalloc(sizeof(struct zr36060), GFP_KERNEL);
+        codec->data = ptr = kzalloc(sizeof(struct zr36060), GFP_KERNEL);
         if (NULL == ptr) {
                 dprintk(1, KERN_ERR "zr36060: Can't get enough memory!\n");
                 return -ENOMEM;
         }
-        memset(ptr, 0, sizeof(struct zr36060));
 
         snprintf(ptr->name, sizeof(ptr->name), "zr36060[%d]",
                  zr36060_codecs);