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e559765186
[ Upstream commitce814ad4bb] The "channel" is added to the "dev->channels" but then if v4l2_m2m_ctx_init() fails then we free "channel" but it's still on the list so it could lead to a use after free. Let's not add it to the list until after v4l2_m2m_ctx_init() succeeds. Fixes:cc62c74749("media: allegro: add missed checks in allegro_open()") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Michael Tretter <m.tretter@pengutronix.de> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.