This is a note to let you know that I've just added the patch titled
media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-v4l2-compat-ioctl32.c-add-missing-vidioc_prepare_buf.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 3ee6d040719ae09110e5cdf24d5386abe5d1b776 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Date: Wed, 24 Jan 2018 08:37:04 -0500
Subject: media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF
From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
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@xxxxxxxxx>
Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # for v4.15 and up
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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:
Patches currently in stable-queue which might be from hans.verkuil@xxxxxxxxx are
queue-3.18/media-v4l2-compat-ioctl32.c-copy-m.userptr-in-put_v4l2_plane32.patch
queue-3.18/media-v4l2-compat-ioctl32.c-avoid-sizeof-type.patch
queue-3.18/media-v4l2-compat-ioctl32.c-drop-pr_info-for-unknown-buffer-type.patch
queue-3.18/media-v4l2-compat-ioctl32.c-add-missing-vidioc_prepare_buf.patch
queue-3.18/vb2-v4l2_buf_flag_done-is-set-after-dqbuf.patch
queue-3.18/media-v4l2-compat-ioctl32.c-refactor-compat-ioctl32-logic.patch
queue-3.18/media-v4l2-ctrls-fix-sparse-warning.patch
queue-3.18/media-v4l2-compat-ioctl32.c-fix-ctrl_is_pointer.patch
queue-3.18/media-v4l2-compat-ioctl32.c-move-helper-functions-to-__get-put_v4l2_format32.patch
queue-3.18/media-media-v4l2-ctrls-volatiles-should-not-generate-ch_value.patch
queue-3.18/media-v4l2-compat-ioctl32.c-don-t-copy-back-the-result-for-certain-errors.patch
queue-3.18/media-v4l2-compat-ioctl32.c-make-ctrl_is_pointer-work-for-subdevs.patch
queue-3.18/media-v4l2-compat-ioctl32.c-fix-the-indentation.patch
queue-3.18/media-v4l2-compat-ioctl32-copy-v4l2_window-global_alpha.patch
queue-3.18/media-v4l2-ioctl.c-don-t-copy-back-the-result-for-enotty.patch
queue-3.18/media-v4l2-compat-ioctl32.c-copy-clip-list-in-put_v4l2_window32.patch