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| author | Luciano Coelho <luciano.coelho@intel.com> | 2013-12-11 20:39:46 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-12-16 13:38:49 +0100 |
| commit | 6f07d216f5662def442cb8034f45119b5a33f6ff (patch) | |
| tree | 45e1eda25e453f6ac5f96469dfbaf19c4126b616 /net | |
| parent | 70dabeb74ee3bff71b65f47546dafb83edbb06b9 (diff) | |
| download | linux-6f07d216f5662def442cb8034f45119b5a33f6ff.tar.gz linux-6f07d216f5662def442cb8034f45119b5a33f6ff.tar.bz2 linux-6f07d216f5662def442cb8034f45119b5a33f6ff.zip | |
mac80211: lock sdata in ieee80211_csa_connection_drop_work()
We call ieee80211_ibss_disconnect(), which requires sdata to be
locked, so lock the sdata during ieee80211_csa_connection_drop_work().
Cc: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/ibss.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index e97fa7fac96e..a6ca56dfe0d7 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -753,12 +753,16 @@ static void ieee80211_csa_connection_drop_work(struct work_struct *work) container_of(work, struct ieee80211_sub_if_data, u.ibss.csa_connection_drop_work); + sdata_lock(sdata); + ieee80211_ibss_disconnect(sdata); synchronize_rcu(); skb_queue_purge(&sdata->skb_queue); /* trigger a scan to find another IBSS network to join */ ieee80211_queue_work(&sdata->local->hw, &sdata->work); + + sdata_unlock(sdata); } static void ieee80211_ibss_csa_mark_radar(struct ieee80211_sub_if_data *sdata) |