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[ Upstream commit d8212c5c87c143ca01b78f6bf61244af07e0058e ] This patch reverts commitc677d7ae83("media: mtk-jpeg: Fix use after free bug due to uncanceled work"). The job_timeout_work is initialized only for the single-core JPEG device so it will cause the crash for multi-core JPEG devices. Fix it by removing the cancel_delayed_work_sync function. Fixes:c677d7ae83("media: mtk-jpeg: Fix use after free bug due to uncanceled work") Signed-off-by: Zheng Wang <zyytlz.wz@163.com> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@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.