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mac80211: fix missing sta_lock in __sta_info_destroy

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commit 4bae7d976976fa52d345805ba686934cd548343e upstream.

Since my commit 34e895075e
("mac80211: allow station add/remove to sleep") there is
a race in mac80211 when it clears the TIM bit because a
sleeping station disconnected, the spinlock isn't held
around the relevant code any more. Use the right API to
acquire the spinlock correctly.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Johannes Berg
2011-09-06 12:47:39 +02:00
committed by Greg Kroah-Hartman
parent 377a4a241c
commit e74aa3593a
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/sta_info.c
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@@ -669,7 +669,7 @@ static int __must_check __sta_info_destroy(struct sta_info *sta)
BUG_ON(!sdata->bss);
atomic_dec(&sdata->bss->num_sta_ps);
__sta_info_clear_tim_bit(sdata->bss, sta);
sta_info_clear_tim_bit(sta);
}
local->num_sta--;