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media: v4l2-compat-ioctl32.c: don't copy back the result for certain errors
authorHans Verkuil <hans.verkuil@cisco.com>
Fri, 26 Jan 2018 08:24:53 +0000 (03:24 -0500)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Tue, 30 Jan 2018 12:35:16 +0000 (07:35 -0500)
commitd83a8243aaefe62ace433e4384a4f077bed86acb
tree162c02bc879c47ca482d01fbe5a562a58ff94f83tree | snapshot
parent169f24ca68bf0f247d111aef07af00dd3a02ae88commit | diff
media: v4l2-compat-ioctl32.c: don't copy back the result for certain errors

Some ioctls need to copy back the result even if the ioctl returned
an error. However, don't do this for the error code -ENOTTY.
It makes no sense in that cases.

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-compat-ioctl32.c diff | blob | history
Domain: System / Kernel;