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The commit24a2042cb2("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>
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.