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f011539e72
If there is a NCI command in work queue after closing the NCI device at nci_unregister_device, The NCI command timer starts at flush_workqueue function and then NCI command timeout handler would be called 5 second after flushing the NCI command work queue and destroying the queue. At that time, the timeout handler would try to use NCI command work queue that is destroyed already. it will causes the problem. To avoid this abnormal situation, change the sequence to prevent the NCI command timeout handler from being called after destroying the NCI command work queue. Signed-off-by: Bongsu Jeon <bongsu.jeon@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.