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[media] media: usb: cpia2: Use kmemdup instead of kmalloc and memcpy

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When some other buffer is immediately copied into allocated region.
Replace calls to kmalloc followed by a memcpy with a direct
call to kmemdup.

Signed-off-by: Shyam Saini <mayhs11saini@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Shyam Saini 2016-12-23 17:34:36 -02:00 committed by Mauro Carvalho Chehab
parent 01faa0d9c7
commit 9945cf9997
1 changed files with 1 additions and 3 deletions
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4
drivers/media/usb/cpia2/cpia2_usb.c
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@ -547,12 +547,10 @@ static int write_packet(struct usb_device *udev,
if (!registers || size <= 0) if (!registers || size <= 0)
return -EINVAL; return -EINVAL;
buf = kmalloc(size, GFP_KERNEL); buf = kmemdup(registers, size, GFP_KERNEL);
if (!buf) if (!buf)
return -ENOMEM; return -ENOMEM;
memcpy(buf, registers, size);
ret = usb_control_msg(udev, ret = usb_control_msg(udev,
usb_sndctrlpipe(udev, 0), usb_sndctrlpipe(udev, 0),
request, request,