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15577a98ef
commit 7e7efdda6adb385fbdfd6f819d76bc68c923c394 upstream. [note: this is commit4a7e925516reapplied; that commit had been reverted in 6.6.6 because it caused regressions, see https://lore.kernel.org/stable/2023121450-habitual-transpose-68a1@gregkh/ for details] My prior race fix here broke CQM when ranges aren't used, as the reporting worker now requires the cqm_config to be set in the wdev, but isn't set when there's no range configured. Rather than continuing to special-case the range version, set the cqm_config always and configure accordingly, also tracking if range was used or not to be able to clear the configuration appropriately with the same API, which was actually not right if both were implemented by a driver for some reason, as is the case with mac80211 (though there the implementations are equivalent so it doesn't matter.) Also, the original multiple-RSSI commit lost checking for the callback, so might have potentially crashed if a driver had neither implementation, and userspace tried to use it despite not being advertised as supported. Cc: stable@vger.kernel.org Fixes:4a4b816950("cfg80211: Accept multiple RSSI thresholds for CQM") Fixes:37c20b2eff("wifi: cfg80211: fix cqm_config access race") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Léo Lam <leo@leolam.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.
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.