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[ Upstream commitce6b697499] Even if userspace specifies the NL80211_ATTR_SURVEY_RADIO_STATS attribute, we cannot get the statistics because we're not really parsing the incoming attributes properly any more. Fix this by passing the attrbuf to nl80211_prepare_wdev_dump() and filling it there, if given, and using a local version only if no output is desired. Since I'm touching it anyway, make nl80211_prepare_wdev_dump() static. Fixes:50508d941c("cfg80211: use parallel_ops for genl") Reported-by: Jan Fuchs <jf@simonwunderlich.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Tested-by: Sven Eckelmann <sven@narfation.org> Link: https://lore.kernel.org/r/20211029092539.2851b4799386.If9736d4575ee79420cbec1bd930181e1d53c7317@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.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.