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Jérôme Pouiller ac42c12dd7 staging: wfx: fix RCU usage between hif_join() and ieee80211_bss_get_ie()
Access to result of ieee80211_bss_get_ie() is protected by RCU. In other
hand, function hif_join() can sleep and cannot be called with RCU
locked.

Provide a copy of "ssidie" to hif_join() to solve this behavior.

Fixes: 9ced9b5937 ("staging: wfx: simplify hif_join()")
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200310101356.182818-6-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2020-03-11 08:14:16 +01:00
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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.