V4L/DVB: drivers/media: Use kzalloc

Use kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x == NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index 4c0ab49..e7db0554 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -2371,12 +2371,11 @@
 
 	for (k = 0; k < pdev->num_resources; k++) {
 
-		vout = kmalloc(sizeof(struct omap_vout_device), GFP_KERNEL);
+		vout = kzalloc(sizeof(struct omap_vout_device), GFP_KERNEL);
 		if (!vout) {
 			dev_err(&pdev->dev, ": could not allocate memory\n");
 			return -ENOMEM;
 		}
-		memset(vout, 0, sizeof(struct omap_vout_device));
 
 		vout->vid = k;
 		vid_dev->vouts[k] = vout;