media: v4l2-ioctl.c: don't copy back the result for -ENOTTY

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commit 181a4a2d5a 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Hans Verkuil 2018-02-14 12:44:23 +01:00 • committed by Greg Kroah-Hartman

parent ea96d8f676

commit 2d280dab38

1 changed files with 4 additions and 1 deletions

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drivers/media/v4l2-core/v4l2-ioctl.c

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