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Diffstat (limited to 'net/mac80211/ht.c')
-rw-r--r--net/mac80211/ht.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 75dff338f581..f83534f6a2ee 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -281,13 +281,14 @@ void ieee80211_ba_session_work(struct work_struct *work)
sta, tid, WLAN_BACK_RECIPIENT,
WLAN_REASON_UNSPECIFIED, true);
+ spin_lock_bh(&sta->lock);
+
tid_tx = sta->ampdu_mlme.tid_start_tx[tid];
if (tid_tx) {
/*
* Assign it over to the normal tid_tx array
* where it "goes live".
*/
- spin_lock_bh(&sta->lock);
sta->ampdu_mlme.tid_start_tx[tid] = NULL;
/* could there be a race? */
@@ -300,6 +301,7 @@ void ieee80211_ba_session_work(struct work_struct *work)
ieee80211_tx_ba_session_handle_start(sta, tid);
continue;
}
+ spin_unlock_bh(&sta->lock);
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
if (tid_tx && test_and_clear_bit(HT_AGG_STATE_WANT_STOP,