Rajkumar Manoharan 65ad3ef9fc mac80211: fix warning in 6 GHz IE addition in mesh mode
The commit 24a2042cb2 ("mac80211: add HE 6 GHz Band Capability
element") failed to check device capability before adding HE 6 GHz
capability element. Below warning is reported in 11ac device in mesh.
Fix that by checking device capability at HE 6 GHz cap IE addition
in mesh beacon and association request.

WARNING: CPU: 1 PID: 1897 at net/mac80211/util.c:2878
ieee80211_ie_build_he_6ghz_cap+0x149/0x150 [mac80211]
[ 3138.720358] Call Trace:
[ 3138.720361]  ieee80211_mesh_build_beacon+0x462/0x530 [mac80211]
[ 3138.720363]  ieee80211_start_mesh+0xa8/0xf0 [mac80211]
[ 3138.720365]  __cfg80211_join_mesh+0x122/0x3e0 [cfg80211]
[ 3138.720368]  nl80211_join_mesh+0x3d3/0x510 [cfg80211]

Fixes: 24a2042cb2 ("mac80211: add HE 6 GHz Band Capability element")
Reported-by: Markus Theil <markus.theil@tu-ilmenau.de>
Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
Link: https://lore.kernel.org/r/1593656424-18240-1-git-send-email-rmanohar@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-07-30 10:20:37 +02:00
2020-07-24 12:42:41 -07:00
2020-07-19 15:41:18 -07:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
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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.
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