mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-09 21:04:42 -04:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/media/usb/cpia2/cpia2_usb.c
View File

@@ -547,12 +547,10 @@ static int write_packet(struct usb_device *udev,
if (!registers || size <= 0)
return -EINVAL;
buf = kmalloc(size, GFP_KERNEL);
buf = kmemdup(registers, size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
memcpy(buf, registers, size);
ret = usb_control_msg(udev,
usb_sndctrlpipe(udev, 0),
request,