Johannes Berg 0afe9d4ab9 mac80211: fix locking in ieee80211_sta_tear_down_BA_sessions
Due to overlap between
commit 1281103770 ("mac80211: Simplify locking in ieee80211_sta_tear_down_BA_sessions()")
and the way that Luca modified
commit 72e2c3438b ("mac80211: tear down RX aggregations first")
when sending it upstream from Intel's internal tree, we get
the following warning:

WARNING: CPU: 0 PID: 5472 at net/mac80211/agg-tx.c:315 ___ieee80211_stop_tx_ba_session+0x158/0x1f0

since there's no appropriate locking around the call to
___ieee80211_stop_tx_ba_session; Sara's original just had
a call to the locked __ieee80211_stop_tx_ba_session (one
less underscore) but it looks like Luca modified both of
the calls when fixing it up for upstream, leading to the
problem at hand.

Move the locking appropriately to fix this problem.

Reported-by: Kalle Valo <kvalo@codeaurora.org>
Reported-by: Pavel Machek <pavel@ucw.cz>
Tested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-12-11 10:50:00 +01:00
2005-09-10 10:06:29 -07:00
2017-11-29 09:27:35 -05:00
2017-11-26 16:01:47 -08:00

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

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
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There are various text files in the Documentation/ subdirectory,
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See Documentation/00-INDEX for a list of what is contained in each file.

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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