Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 3.18 59/93] media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF | Date | Fri, 6 Apr 2018 15:23:28 +0200 |
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3.18-stable review patch. If anyone has any objections, please let me know.
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From: Hans Verkuil <hans.verkuil@cisco.com>
commit 3ee6d040719ae09110e5cdf24d5386abe5d1b776 upstream.
The result of the VIDIOC_PREPARE_BUF ioctl was never copied back to userspace since it was missing in the switch.
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: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/media/v4l2-core/v4l2-compat-ioctl32.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c +++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c @@ -996,6 +996,7 @@ static long do_video_ioctl(struct file * err = put_v4l2_create32(&karg.v2crt, up); break; + case VIDIOC_PREPARE_BUF: case VIDIOC_QUERYBUF: case VIDIOC_QBUF: case VIDIOC_DQBUF:
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