Changeset 37013

Timestamp:

2013-06-22T15:59:55+02:00 (5 years ago)

Author:

nbd

Message:

ath9k: fix a minor rcu issue

Signed-off-by: Felix Fietkau <nbd@…>

File:

• trunk/package/kernel/mac80211/patches/300-pending_work.patch (modified) (1 diff)

trunk/package/kernel/mac80211/patches/300-pending_work.patch

@@ -284 +284 @@
 --- a/drivers/net/wireless/ath/ath9k/xmit.c
 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -1778,9 +1778,13 @@ static void ath_tx_txqaddbuf(struct ath_
+@@ -1673,6 +1673,8 @@ void ath_txq_schedule(struct ath_softc *
+            txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
+                return;
+ 
++       rcu_read_lock();
++
+        ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, list);
+        last_ac = list_entry(txq->axq_acq.prev, struct ath_atx_ac, list);
+ 
+@@ -1711,8 +1713,10 @@ void ath_txq_schedule(struct ath_softc *
+ 
+                if (ac == last_ac ||
+                    txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
+-                       return;
++                       break;
+        }
++
++       rcu_read_unlock();
+ }
+ 
+ /***********/
+@@ -1778,9 +1782,13 @@ static void ath_tx_txqaddbuf(struct ath_
         }