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b0946b45b8
commit3b85720d3fupstream. Calling queue_delayed_work concurrently with destroy_workqueue might race to an unexpected outcome - scheduled task after wq is destroyed or other resources (like ptt_pool) are freed (yields NULL pointer dereference). cancel_delayed_work prevents the race by cancelling the timer triggered for scheduling a new task. Fixes:59ccf86fe("qed: Add driver infrastucture for handling mfw requests") Signed-off-by: Denis Bolotin <dbolotin@marvell.com> Signed-off-by: Michal Kalderon <mkalderon@marvell.com> Signed-off-by: Yuval Basson <ybason@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.