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There is a possible race between USB suspend and main thread: 1. After processing the command response, main thread will submit rx_cmd URB back so as to process next command response, by calling mwifiex_usb_submit_rx_urb. 2. During USB suspend, the suspend handler will check if rx_cmd URB is pending(submitted) and if true, kill this URB. There is a possible race between #1 and #2, where rx_cmd URB will be submitted by main thread(#1) after the suspend handler check in #2. To fix this, check if device is already suspended in mwifiex_usb_submit_rx_urb, in which case do not submit the URB. Signed-off-by: Vidya Dharmaraju <vidyad@marvell.com> Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Ganapathi Bhat <gbhat@marvell.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.