[PATCH] USB: kzalloc in w9968cf

another one for kzalloc.

Signed-off-by: Oliver Neukum <oliver@neukum.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 4 insertions, 9 deletions

diff --git a/drivers/usb/media/w9968cf.c b/drivers/usb/media/w9968cf.c
index 9937fc64c8bf..78cd1a577d26 100644
--- a/drivers/usb/media/w9968cf.c
+++ b/drivers/usb/media/w9968cf.c
@@ -695,13 +695,12 @@ static int w9968cf_allocate_memory(struct w9968cf_device* cam)
         /* Allocate memory for the isochronous transfer buffers */
         for (i = 0; i < W9968CF_URBS; i++) {
                 if (!(cam->transfer_buffer[i] =
-                      kmalloc(W9968CF_ISO_PACKETS*p_size, GFP_KERNEL))) {
+                      kzalloc(W9968CF_ISO_PACKETS*p_size, GFP_KERNEL))) {
                         DBG(1, "Couldn't allocate memory for the isochronous "
                                "transfer buffers (%u bytes)", 
                             p_size * W9968CF_ISO_PACKETS)
                         return -ENOMEM;
                 }
-                memset(cam->transfer_buffer[i], 0, W9968CF_ISO_PACKETS*p_size);
         }
 
         /* Allocate memory for the temporary frame buffer */
@@ -3499,12 +3498,10 @@ w9968cf_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
                 return -ENODEV;
 
         cam = (struct w9968cf_device*)
-                  kmalloc(sizeof(struct w9968cf_device), GFP_KERNEL);
+                  kzalloc(sizeof(struct w9968cf_device), GFP_KERNEL);
         if (!cam)
                 return -ENOMEM;
 
-        memset(cam, 0, sizeof(*cam));
-
         init_MUTEX(&cam->dev_sem);
         down(&cam->dev_sem);
 
@@ -3532,21 +3529,19 @@ w9968cf_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
 
 
         /* Allocate 2 bytes of memory for camera control USB transfers */
-        if (!(cam->control_buffer = kmalloc(2, GFP_KERNEL))) {
+        if (!(cam->control_buffer = kzalloc(2, GFP_KERNEL))) {
                 DBG(1,"Couldn't allocate memory for camera control transfers")
                 err = -ENOMEM;
                 goto fail;
         }
-        memset(cam->control_buffer, 0, 2);
 
         /* Allocate 8 bytes of memory for USB data transfers to the FSB */
-        if (!(cam->data_buffer = kmalloc(8, GFP_KERNEL))) {
+        if (!(cam->data_buffer = kzalloc(8, GFP_KERNEL))) {
                 DBG(1, "Couldn't allocate memory for data "
                        "transfers to the FSB")
                 err = -ENOMEM;
                 goto fail;
         }
-        memset(cam->data_buffer, 0, 8);
 
         /* Register the V4L device */
         cam->v4ldev = video_device_alloc();