The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.
Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
---
diff -u -p a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c
--- a/drivers/media/video/pwc/pwc-ctrl.c 2011-11-07 19:37:51.143333699 +0100
+++ b/drivers/media/video/pwc/pwc-ctrl.c 2011-11-08 10:47:00.679677247 +0100
@@ -113,10 +113,9 @@ static int _send_control_msg(struct pwc_
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),
--
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