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Driver could possibly be dead-locked while canceling works with *_sync() with mutex lock held. Those cancel_delayed_work_sync() functions will wait until the work is done, but if we hold the lock, they will never acquire the lock. To prevent this, simply release the lock and acquire again after the works have been canceled. And to avoid the works being queued again, check if the device is at RTW_FLAG_RUNNING state, otherwise just return and do nothing. Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.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.