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Message-ID: <fb672e3b-ed17-bcc3-ddd8-b1d851fb5b3d@xs4all.nl>
Date: Thu, 16 Feb 2023 15:01:38 +0100
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To: Linux Media Mailing List <linux-media@vger.kernel.org>
From: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Subject: [GIT FIXES FOR v6.3] media: v4l2-subdev.c: clear stream field
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The recently merged series adding the new 'stream' field caused a regression
in both userspace and kernelspace API where the 'stream' field was passed in
uninitialized, and then failed the 'check_state' check, causing -EINVAL to be
returned.
Since this feature isn't used anywhere yet, add this patch to zero the 'stream'
field to prevent breakage.
This will be properly resolved for 6.4, but for now let's keep existing
applications and drivers running...
Regards,
Hans
The following changes since commit 05165248df6552daaacf5621e3a5e2369117a8a9:
media: v4l2-ctrls-api.c: move ctrl->is_new = 1 to the correct line (2023-02-09 09:22:45 +0100)
are available in the Git repository at:
git://linuxtv.org/hverkuil/media_tree.git tags/br-v6.3k
for you to fetch changes up to a990d9e36d35ab6887c6ce2c8e1191ccb1dc7b48:
media: v4l2-subdev.c: clear stream field (2023-02-16 12:10:16 +0100)
----------------------------------------------------------------
Tag branch
----------------------------------------------------------------
Hans Verkuil (1):
media: v4l2-subdev.c: clear stream field
drivers/media/v4l2-core/v4l2-subdev.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
The recently merged series adding the new 'stream' field caused a regression in both userspace and kernelspace API where the 'stream' field was passed in uninitialized, and then failed the 'check_state' check, causing -EINVAL to be returned. Since this feature isn't used anywhere yet, add this patch to zero the 'stream' field to prevent breakage. This will be properly resolved for 6.4, but for now let's keep existing applications and drivers running... Regards, Hans The following changes since commit 05165248df6552daaacf5621e3a5e2369117a8a9: media: v4l2-ctrls-api.c: move ctrl->is_new = 1 to the correct line (2023-02-09 09:22:45 +0100) are available in the Git repository at: git://linuxtv.org/hverkuil/media_tree.git tags/br-v6.3k for you to fetch changes up to a990d9e36d35ab6887c6ce2c8e1191ccb1dc7b48: media: v4l2-subdev.c: clear stream field (2023-02-16 12:10:16 +0100) ---------------------------------------------------------------- Tag branch ---------------------------------------------------------------- Hans Verkuil (1): media: v4l2-subdev.c: clear stream field drivers/media/v4l2-core/v4l2-subdev.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)