[media] pwc: Use kmemdup rather than duplicating its implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Thomas Meyer 2011-11-17 18:43:40 -03:00 committed by Mauro Carvalho Chehab
parent 0ceaec188e
commit 6d00c9aa2b

View File

@ -113,10 +113,9 @@ static int _send_control_msg(struct pwc_device *pdev,
void *kbuf = NULL;
if (buflen) {
kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */
kbuf = kmemdup(buf, buflen, GFP_KERNEL); /* not allowed on stack */
if (kbuf == NULL)
return -ENOMEM;
memcpy(kbuf, buf, buflen);
}
rc = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),