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media: v4l2-ioctl.c: don't copy back the result for -ENOTTY
authorHans Verkuil <hans.verkuil@cisco.com>
Wed, 14 Feb 2018 12:03:12 +0000 (13:03 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Sat, 3 Mar 2018 15:51:05 +0000 (15:51 +0000)
commit 181a4a2d5a0a7b43cab08a70710d727e7764ccdd upstream.

If the ioctl returned -ENOTTY, then don't bother copying
back the result as there is no point.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/media/video/v4l2-ioctl.c patch | blob | history

diff --cc drivers/media/video/v4l2-ioctl.c
Simple merge
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