[media] drivers/media: Use vzalloc

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

4 files changed, 4 insertions, 8 deletions

diff --git a/drivers/media/dvb/ngene/ngene-core.c b/drivers/media/dvb/ngene/ngene-core.c
index 3a7ef71087be..c7809f7da02e 100644
--- a/drivers/media/dvb/ngene/ngene-core.c
+++ b/drivers/media/dvb/ngene/ngene-core.c
@@ -1536,12 +1536,11 @@ int __devinit ngene_probe(struct pci_dev *pci_dev,
         if (pci_enable_device(pci_dev) < 0)
                 return -ENODEV;
 
-        dev = vmalloc(sizeof(struct ngene));
+        dev = vzalloc(sizeof(struct ngene));
         if (dev == NULL) {
                 stat = -ENOMEM;
                 goto fail0;
         }
-        memset(dev, 0, sizeof(struct ngene));
 
         dev->pci_dev = pci_dev;
         dev->card_info = (struct ngene_info *)id->driver_data;
diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c
index aa871c2936b3..330d42e15498 100644
--- a/drivers/media/video/mx3_camera.c
+++ b/drivers/media/video/mx3_camera.c
@@ -1186,13 +1186,12 @@ static int __devinit mx3_camera_probe(struct platform_device *pdev)
                 goto egetres;
         }
 
-        mx3_cam = vmalloc(sizeof(*mx3_cam));
+        mx3_cam = vzalloc(sizeof(*mx3_cam));
         if (!mx3_cam) {
                 dev_err(&pdev->dev, "Could not allocate mx3 camera object\n");
                 err = -ENOMEM;
                 goto ealloc;
         }
-        memset(mx3_cam, 0, sizeof(*mx3_cam));
 
         mx3_cam->clk = clk_get(&pdev->dev, NULL);
         if (IS_ERR(mx3_cam->clk)) {
diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c
index f3dc89da4c4e..b821065e3870 100644
--- a/drivers/media/video/pwc/pwc-if.c
+++ b/drivers/media/video/pwc/pwc-if.c
@@ -287,14 +287,13 @@ static int pwc_allocate_buffers(struct pwc_device *pdev)
         /* create frame buffers, and make circular ring */
         for (i = 0; i < default_fbufs; i++) {
                 if (pdev->fbuf[i].data == NULL) {
-                        kbuf = vmalloc(PWC_FRAME_SIZE); /* need vmalloc since frame buffer > 128K */
+                        kbuf = vzalloc(PWC_FRAME_SIZE); /* need vmalloc since frame buffer > 128K */
                         if (kbuf == NULL) {
                                 PWC_ERROR("Failed to allocate frame buffer %d.\n", i);
                                 return -ENOMEM;
                         }
                         PWC_DEBUG_MEMORY("Allocated frame buffer %d at %p.\n", i, kbuf);
                         pdev->fbuf[i].data = kbuf;
-                        memset(kbuf, 0, PWC_FRAME_SIZE);
                 }
         }
 
diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c
index 20f227ee2b3e..ab684e807034 100644
--- a/drivers/media/video/videobuf-dma-sg.c
+++ b/drivers/media/video/videobuf-dma-sg.c
@@ -69,10 +69,9 @@ static struct scatterlist *videobuf_vmalloc_to_sg(unsigned char *virt,
         struct page *pg;
         int i;
 
-        sglist = vmalloc(nr_pages * sizeof(*sglist));
+        sglist = vzalloc(nr_pages * sizeof(*sglist));
         if (NULL == sglist)
                 return NULL;
-        memset(sglist, 0, nr_pages * sizeof(*sglist));
         sg_init_table(sglist, nr_pages);
         for (i = 0; i < nr_pages; i++, virt += PAGE_SIZE) {
                 pg = vmalloc_to_page(virt);