diff --git a/[refs] b/[refs]
index e5387d473c97..1efeac9f6f47 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 431c74821432a6078d54f08de7cd561f8ef8f1ba
+refs/heads/master: 88eac2dad876a58b9c6a4c4805c3fc27b02c048f
diff --git a/trunk/drivers/net/wireless/ath/ath9k/main.c b/trunk/drivers/net/wireless/ath/ath9k/main.c
index 74ff51d4c339..2c7f28e022b8 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/main.c
+++ b/trunk/drivers/net/wireless/ath/ath9k/main.c
@@ -779,7 +779,9 @@ irqreturn_t ath_isr(int irq, void *dev)
 		 * it will clear whatever condition caused
 		 * the interrupt.
 		 */
+		spin_lock(&common->cc_lock);
 		ath9k_hw_proc_mib_event(ah);
+		spin_unlock(&common->cc_lock);
 		ath9k_hw_set_interrupts(ah, ah->imask);
 	}