12 files changed, 41 insertions, 61 deletions

diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c
index ad2f4cccd388..1fef36e71c57 100644
--- a/drivers/usb/misc/auerswald.c
+++ b/drivers/usb/misc/auerswald.c
@@ -570,10 +570,9 @@ static int auerchain_setup (pauerchain_t acp, unsigned int numElements)
 
         /* fill the list of free elements */
         for (;numElements; numElements--) {
-                acep = (pauerchainelement_t) kmalloc (sizeof (auerchainelement_t), GFP_KERNEL);
+                acep = kzalloc(sizeof(auerchainelement_t), GFP_KERNEL);
                 if (!acep)
                         goto ac_fail;
-                memset (acep, 0, sizeof (auerchainelement_t));
                 INIT_LIST_HEAD (&acep->list);
                 list_add_tail (&acep->list, &acp->free_list);
         }
@@ -761,10 +760,9 @@ static int auerbuf_setup (pauerbufctl_t bcp, unsigned int numElements, unsigned
 
         /* fill the list of free elements */
         for (;numElements; numElements--) {
-                bep = (pauerbuf_t) kmalloc (sizeof (auerbuf_t), GFP_KERNEL);
+                bep = kzalloc(sizeof(auerbuf_t), GFP_KERNEL);
                 if (!bep)
                         goto bl_fail;
-                memset (bep, 0, sizeof (auerbuf_t));
                 bep->list = bcp;
                 INIT_LIST_HEAD (&bep->buff_list);
                 bep->bufp = kmalloc (bufsize, GFP_KERNEL);
diff --git a/drivers/usb/misc/cytherm.c b/drivers/usb/misc/cytherm.c
index 6671317b495f..a04204292aa3 100644
--- a/drivers/usb/misc/cytherm.c
+++ b/drivers/usb/misc/cytherm.c
@@ -351,12 +351,11 @@ static int cytherm_probe(struct usb_interface *interface,
         struct usb_cytherm *dev = NULL;
         int retval = -ENOMEM;
 
-        dev = kmalloc (sizeof(struct usb_cytherm), GFP_KERNEL);
+        dev = kzalloc (sizeof(struct usb_cytherm), GFP_KERNEL);
         if (dev == NULL) {
                 dev_err (&interface->dev, "Out of memory\n");
                 goto error;
         }
-        memset (dev, 0x00, sizeof (*dev));
 
         dev->udev = usb_get_dev(udev);
 
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c
index d8cde1017985..d0b167256699 100644
--- a/drivers/usb/misc/idmouse.c
+++ b/drivers/usb/misc/idmouse.c
@@ -25,6 +25,7 @@
 #include <linux/module.h>
 #include <linux/smp_lock.h>
 #include <linux/completion.h>
+#include <linux/mutex.h>
 #include <asm/uaccess.h>
 #include <linux/usb.h>
 
@@ -121,7 +122,7 @@ static struct usb_driver idmouse_driver = {
 };
 
 /* prevent races between open() and disconnect() */
-static DECLARE_MUTEX(disconnect_sem);
+static DEFINE_MUTEX(disconnect_mutex);
 
 static int idmouse_create_image(struct usb_idmouse *dev)
 {
@@ -213,18 +214,18 @@ static int idmouse_open(struct inode *inode, struct file *file)
         int result = 0;
 
         /* prevent disconnects */
-        down(&disconnect_sem);
+        mutex_lock(&disconnect_mutex);
 
         /* get the interface from minor number and driver information */
         interface = usb_find_interface (&idmouse_driver, iminor (inode));
         if (!interface) {
-                up(&disconnect_sem);
+                mutex_unlock(&disconnect_mutex);
                 return -ENODEV;
         }
         /* get the device information block from the interface */
         dev = usb_get_intfdata(interface);
         if (!dev) {
-                up(&disconnect_sem);
+                mutex_unlock(&disconnect_mutex);
                 return -ENODEV;
         }
 
@@ -258,7 +259,7 @@ error:
         up(&dev->sem);
 
         /* unlock the disconnect semaphore */
-        up(&disconnect_sem);
+        mutex_unlock(&disconnect_mutex);
         return result;
 }
 
@@ -267,12 +268,12 @@ static int idmouse_release(struct inode *inode, struct file *file)
         struct usb_idmouse *dev;
 
         /* prevent a race condition with open() */
-        down(&disconnect_sem);
+        mutex_lock(&disconnect_mutex);
 
         dev = (struct usb_idmouse *) file->private_data;
 
         if (dev == NULL) {
-                up(&disconnect_sem);
+                mutex_unlock(&disconnect_mutex);
                 return -ENODEV;
         }
 
@@ -282,7 +283,7 @@ static int idmouse_release(struct inode *inode, struct file *file)
         /* are we really open? */
         if (dev->open <= 0) {
                 up(&dev->sem);
-                up(&disconnect_sem);
+                mutex_unlock(&disconnect_mutex);
                 return -ENODEV;
         }
 
@@ -292,12 +293,12 @@ static int idmouse_release(struct inode *inode, struct file *file)
                 /* the device was unplugged before the file was released */
                 up(&dev->sem);
                 idmouse_delete(dev);
-                up(&disconnect_sem);
+                mutex_unlock(&disconnect_mutex);
                 return 0;
         }
 
         up(&dev->sem);
-        up(&disconnect_sem);
+        mutex_unlock(&disconnect_mutex);
         return 0;
 }
 
@@ -340,10 +341,9 @@ static int idmouse_probe(struct usb_interface *interface,
                 return -ENODEV;
 
         /* allocate memory for our device state and initialize it */
-        dev = kmalloc(sizeof(*dev), GFP_KERNEL);
+        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
         if (dev == NULL)
                 return -ENOMEM;
-        memset(dev, 0x00, sizeof(*dev));
 
         init_MUTEX(&dev->sem);
         dev->udev = udev;
@@ -400,7 +400,7 @@ static void idmouse_disconnect(struct usb_interface *interface)
         struct usb_idmouse *dev;
 
         /* prevent races with open() */
-        down(&disconnect_sem);
+        mutex_lock(&disconnect_mutex);
 
         /* get device structure */
         dev = usb_get_intfdata(interface);
@@ -422,7 +422,7 @@ static void idmouse_disconnect(struct usb_interface *interface)
         if (!dev->open)
                 idmouse_delete(dev);
 
-        up(&disconnect_sem);
+        mutex_unlock(&disconnect_mutex);
 
         info("%s disconnected", DRIVER_DESC);
 }
diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c
index e2d1198623eb..966acb474f67 100644
--- a/drivers/usb/misc/ldusb.c
+++ b/drivers/usb/misc/ldusb.c
@@ -33,6 +33,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
 
 #include <asm/uaccess.h>
 #include <linux/input.h>
@@ -172,7 +173,7 @@ struct ld_usb {
 };
 
 /* prevent races between open() and disconnect() */
-static DECLARE_MUTEX(disconnect_sem);
+static DEFINE_MUTEX(disconnect_mutex);
 
 static struct usb_driver ld_usb_driver;
 
@@ -293,7 +294,7 @@ static int ld_usb_open(struct inode *inode, struct file *file)
         nonseekable_open(inode, file);
         subminor = iminor(inode);
 
-        down(&disconnect_sem);
+        mutex_lock(&disconnect_mutex);
 
         interface = usb_find_interface(&ld_usb_driver, subminor);
 
@@ -355,7 +356,7 @@ unlock_exit:
         up(&dev->sem);
 
 unlock_disconnect_exit:
-        up(&disconnect_sem);
+        mutex_unlock(&disconnect_mutex);
 
         return retval;
 }
@@ -626,12 +627,11 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id *
 
         /* allocate memory for our device state and intialize it */
 
-        dev = kmalloc(sizeof(*dev), GFP_KERNEL);
+        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
         if (dev == NULL) {
                 dev_err(&intf->dev, "Out of memory\n");
                 goto exit;
         }
-        memset(dev, 0x00, sizeof(*dev));
         init_MUTEX(&dev->sem);
         dev->intf = intf;
         init_waitqueue_head(&dev->read_wait);
@@ -741,7 +741,7 @@ static void ld_usb_disconnect(struct usb_interface *intf)
         struct ld_usb *dev;
         int minor;
 
-        down(&disconnect_sem);
+        mutex_lock(&disconnect_mutex);
 
         dev = usb_get_intfdata(intf);
         usb_set_intfdata(intf, NULL);
@@ -762,7 +762,7 @@ static void ld_usb_disconnect(struct usb_interface *intf)
                 up(&dev->sem);
         }
 
-        up(&disconnect_sem);
+        mutex_unlock(&disconnect_mutex);
 
         dev_info(&intf->dev, "LD USB Device #%d now disconnected\n",
                  (minor - USB_LD_MINOR_BASE));
diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
index 1336745b8f55..779bcf0373ad 100644
--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -83,6 +83,7 @@
 #include <linux/module.h>
 #include <linux/smp_lock.h>
 #include <linux/completion.h>
+#include <linux/mutex.h>
 #include <asm/uaccess.h>
 #include <linux/usb.h>
 #include <linux/poll.h>
@@ -256,7 +257,7 @@ static void tower_disconnect	(struct usb_interface *interface);
 
 
 /* prevent races between open() and disconnect */
-static DECLARE_MUTEX (disconnect_sem);
+static DEFINE_MUTEX (disconnect_mutex);
 
 /* file operations needed when we register this driver */
 static struct file_operations tower_fops = {
@@ -349,7 +350,7 @@ static int tower_open (struct inode *inode, struct file *file)
         nonseekable_open(inode, file);
         subminor = iminor(inode);
 
-        down (&disconnect_sem);
+        mutex_lock (&disconnect_mutex);
 
         interface = usb_find_interface (&tower_driver, subminor);
 
@@ -427,7 +428,7 @@ unlock_exit:
         up (&dev->sem);
 
 unlock_disconnect_exit:
-        up (&disconnect_sem);
+        mutex_unlock (&disconnect_mutex);
 
         dbg(2, "%s: leave, return value %d ", __FUNCTION__, retval);
 
@@ -1005,7 +1006,7 @@ static void tower_disconnect (struct usb_interface *interface)
 
         dbg(2, "%s: enter", __FUNCTION__);
 
-        down (&disconnect_sem);
+        mutex_lock (&disconnect_mutex);
 
         dev = usb_get_intfdata (interface);
         usb_set_intfdata (interface, NULL);
@@ -1027,7 +1028,7 @@ static void tower_disconnect (struct usb_interface *interface)
                 up (&dev->sem);
         }
 
-        up (&disconnect_sem);
+        mutex_unlock (&disconnect_mutex);
 
         info("LEGO USB Tower #%d now disconnected", (minor - LEGO_USB_TOWER_MINOR_BASE));
 
diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c
index 605a3c87e05c..997db5d8e35b 100644
--- a/drivers/usb/misc/phidgetkit.c
+++ b/drivers/usb/misc/phidgetkit.c
@@ -88,7 +88,7 @@ static int change_outputs(struct phidget_interfacekit *kit, int output_num, int
         int retval;
         int n;
 
-        buffer = kmalloc(4, GFP_KERNEL);
+        buffer = kzalloc(4, GFP_KERNEL);
         if (!buffer) {
                 dev_err(&kit->udev->dev, "%s - out of memory\n",
                         __FUNCTION__);
@@ -96,7 +96,6 @@ static int change_outputs(struct phidget_interfacekit *kit, int output_num, int
         }
 
         kit->outputs[output_num] = enable;
-        memset(buffer, 0, 4);
         for (n=0; n<8; n++) {
                 if (kit->outputs[n]) {
                         buffer[0] |= 1 << n;
@@ -192,7 +191,7 @@ static ssize_t set_backlight(struct device *dev, struct device_attribute *attr,
         unsigned char *buffer;
         int retval = -ENOMEM;
         
-        buffer = kmalloc(8, GFP_KERNEL);
+        buffer = kzalloc(8, GFP_KERNEL);
         if (!buffer) {
                 dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__);
                 goto exit;
@@ -202,7 +201,6 @@ static ssize_t set_backlight(struct device *dev, struct device_attribute *attr,
                 retval = -EINVAL;
                 goto exit;
         }
-        memset(buffer, 0x00, 8);
         if (enabled)
                 buffer[0] = 0x01;
         buffer[7] = 0x11;
@@ -406,12 +404,11 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic
         pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
         maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
         
-        kit = kmalloc(sizeof(*kit), GFP_KERNEL);
+        kit = kzalloc(sizeof(*kit), GFP_KERNEL);
         if (kit  == NULL) {
                 dev_err(&intf->dev, "%s - out of memory\n", __FUNCTION__);
                 return -ENOMEM;
         }
-        memset(kit, 0, sizeof(*kit));
         kit->ifkit = ifkit;
 
         kit->data = usb_buffer_alloc(dev, 8, SLAB_ATOMIC, &kit->data_dma);
diff --git a/drivers/usb/misc/phidgetservo.c b/drivers/usb/misc/phidgetservo.c
index b3418d2bcc69..5a040c205eed 100644
--- a/drivers/usb/misc/phidgetservo.c
+++ b/drivers/usb/misc/phidgetservo.c
@@ -252,12 +252,11 @@ servo_probe(struct usb_interface *interface, const struct usb_device_id *id)
         struct usb_device *udev = interface_to_usbdev(interface);
         struct phidget_servo *dev;
 
-        dev = kmalloc(sizeof (struct phidget_servo), GFP_KERNEL);
+        dev = kzalloc(sizeof (struct phidget_servo), GFP_KERNEL);
         if (dev == NULL) {
                 dev_err(&interface->dev, "%s - out of memory\n", __FUNCTION__);
                 return -ENOMEM;
         }
-        memset(dev, 0x00, sizeof (*dev));
 
         dev->udev = usb_get_dev(udev);
         dev->type = id->driver_info;
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 3260d595441f..196c8794a73c 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -3188,7 +3188,7 @@ sisusb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                         break;
 
                 default:
-                        retval = -EINVAL;
+                        retval = -ENOTTY;
                         break;
         }
 
@@ -3251,12 +3251,11 @@ static int sisusb_probe(struct usb_interface *intf,
                 dev->devnum);
 
         /* Allocate memory for our private */
-        if (!(sisusb = kmalloc(sizeof(*sisusb), GFP_KERNEL))) {
+        if (!(sisusb = kzalloc(sizeof(*sisusb), GFP_KERNEL))) {
                 printk(KERN_ERR
                         "sisusb: Failed to allocate memory for private data\n");
                 return -ENOMEM;
         }
-        memset(sisusb, 0, sizeof(*sisusb));
         kref_init(&sisusb->kref);
 
         init_MUTEX(&(sisusb->lock));
diff --git a/drivers/usb/misc/sisusbvga/sisusb.h b/drivers/usb/misc/sisusbvga/sisusb.h
index 1d7a77cc7c4a..a716825d1f9b 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.h
+++ b/drivers/usb/misc/sisusbvga/sisusb.h
@@ -37,24 +37,16 @@
 #ifndef _SISUSB_H_
 #define _SISUSB_H_
 
-#include <linux/version.h>
 #ifdef CONFIG_COMPAT
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,10)
-#include <linux/ioctl32.h>
-#define SISUSB_OLD_CONFIG_COMPAT
-#else
 #define SISUSB_NEW_CONFIG_COMPAT
 #endif
-#endif
 
 /* For older kernels, support for text consoles is by default
  * off. To ensable text console support, change the following:
  */
 #if 0
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,13)
 #define CONFIG_USB_SISUSBVGA_CON
 #endif
-#endif
 
 /* Version Information */
 
diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c
index cc3dae3f34e0..c82c402285a0 100644
--- a/drivers/usb/misc/usblcd.c
+++ b/drivers/usb/misc/usblcd.c
@@ -270,12 +270,11 @@ static int lcd_probe(struct usb_interface *interface, const struct usb_device_id
         int retval = -ENOMEM;
 
         /* allocate memory for our device state and initialize it */
-        dev = kmalloc(sizeof(*dev), GFP_KERNEL);
+        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
         if (dev == NULL) {
                 err("Out of memory");
                 goto error;
         }
-        memset(dev, 0x00, sizeof(*dev));
         kref_init(&dev->kref);
 
         dev->udev = usb_get_dev(interface_to_usbdev(interface));
diff --git a/drivers/usb/misc/usbled.c b/drivers/usb/misc/usbled.c
index 877b081a3a6e..f441964132c0 100644
--- a/drivers/usb/misc/usbled.c
+++ b/drivers/usb/misc/usbled.c
@@ -106,12 +106,11 @@ static int led_probe(struct usb_interface *interface, const struct usb_device_id
         struct usb_led *dev = NULL;
         int retval = -ENOMEM;
 
-        dev = kmalloc(sizeof(struct usb_led), GFP_KERNEL);
+        dev = kzalloc(sizeof(struct usb_led), GFP_KERNEL);
         if (dev == NULL) {
                 dev_err(&interface->dev, "Out of memory\n");
                 goto error;
         }
-        memset (dev, 0x00, sizeof (*dev));
 
         dev->udev = usb_get_dev(udev);
 
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 84fa1728f052..9d59b901841c 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -382,12 +382,11 @@ alloc_sglist (int nents, int max, int vary)
         for (i = 0; i < nents; i++) {
                 char            *buf;
 
-                buf = kmalloc (size, SLAB_KERNEL);
+                buf = kzalloc (size, SLAB_KERNEL);
                 if (!buf) {
                         free_sglist (sg, i);
                         return NULL;
                 }
-                memset (buf, 0, size);
 
                 /* kmalloc pages are always physically contiguous! */
                 sg_init_one(&sg[i], buf, size);
@@ -842,10 +841,9 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param)
          * as with bulk/intr sglists, sglen is the queue depth; it also
          * controls which subtests run (more tests than sglen) or rerun.
          */
-        urb = kmalloc (param->sglen * sizeof (struct urb *), SLAB_KERNEL);
+        urb = kcalloc(param->sglen, sizeof(struct urb *), SLAB_KERNEL);
         if (!urb)
                 return -ENOMEM;
-        memset (urb, 0, param->sglen * sizeof (struct urb *));
         for (i = 0; i < param->sglen; i++) {
                 int                     pipe = usb_rcvctrlpipe (udev, 0);
                 unsigned                len;
@@ -1865,10 +1863,9 @@ usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id)
         }
 #endif
 
-        dev = kmalloc (sizeof *dev, SLAB_KERNEL);
+        dev = kzalloc(sizeof(*dev), SLAB_KERNEL);
         if (!dev)
                 return -ENOMEM;
-        memset (dev, 0, sizeof *dev);
         info = (struct usbtest_info *) id->driver_info;
         dev->info = info;
         init_MUTEX (&dev->sem);