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media: v4l2-ioctl.c: don't copy back the result for -ENOTTY
authorHans Verkuil <hans.verkuil@cisco.com>
Tue, 30 Jan 2018 08:50:01 +0000 (03:50 -0500)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Tue, 30 Jan 2018 12:23:04 +0000 (07:23 -0500)
commit181a4a2d5a0a7b43cab08a70710d727e7764ccdd
treeca8f34e7af1b3e852f527473ba181b2bcba196b2tree | snapshot
parentb2469c814fbc8f1f19676dd4912717b798df511ecommit | diff
media: v4l2-ioctl.c: don't copy back the result for -ENOTTY

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>
Cc: <stable@vger.kernel.org> # for v4.15 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/v4l2-core/v4l2-ioctl.c diff | blob | history
John Crispins staging tree