From 6d00c9aa2bb98909de21eaaf767b9ed76fe26f86 Mon Sep 17 00:00:00 2001 From: Thomas Meyer Date: Thu, 17 Nov 2011 18:43:40 -0300 Subject: [PATCH] [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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pwc/pwc-ctrl.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c index 3977addf3ba8..b42c239de9cf 100644 --- a/drivers/media/video/pwc/pwc-ctrl.c +++ b/drivers/media/video/pwc/pwc-ctrl.c @@ -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), -- 2.20.1