diff --git a/[refs] b/[refs]
index 8088638138c6..eeb13e39f109 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f609607c009140491dd134f0165d9a8f9f726114
+refs/heads/master: 49a4fc20df7fced31ffe4038b32b86a0438d1c27
diff --git a/trunk/drivers/net/wireless/iwlwifi/pcie/trans.c b/trunk/drivers/net/wireless/iwlwifi/pcie/trans.c
index d6a73179ebf1..b647eb4dca64 100644
--- a/trunk/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/trunk/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -1354,7 +1354,8 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
 			     skb->data + hdr_len, secondlen);
 
 	/* start timer if queue currently empty */
-	if (q->read_ptr == q->write_ptr && trans_pcie->wd_timeout)
+	if (txq->need_update && q->read_ptr == q->write_ptr &&
+	    trans_pcie->wd_timeout)
 		mod_timer(&txq->stuck_timer, jiffies + trans_pcie->wd_timeout);
 
 	/* Tell device the write index *just past* this latest filled TFD */