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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-06-22 13:59:55 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-06-22 13:59:55 +0000
commitd427f199a9beae7cb1bce3fc2916c4db1e6e1daa (patch)
tree9c6e6d5d877d95efd80fed87c812b4bafe50ee4c
parentb3b2b49fc671a948b0dd7e2ba0055db3c34bb3e8 (diff)
ath9k: fix a minor rcu issue
Signed-off-by: Felix Fietkau <nbd@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37013 3c298f89-4303-0410-b956-a3cf2f4a3e73
-rw-r--r--package/kernel/mac80211/patches/300-pending_work.patch23
1 files changed, 22 insertions, 1 deletions
diff --git a/package/kernel/mac80211/patches/300-pending_work.patch b/package/kernel/mac80211/patches/300-pending_work.patch
index bd21e53405..11be868b38 100644
--- a/package/kernel/mac80211/patches/300-pending_work.patch
+++ b/package/kernel/mac80211/patches/300-pending_work.patch
@@ -283,7 +283,28 @@
struct mutex mtx;
--- 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_
}
if (!internal) {