diff --git a/[refs] b/[refs]
index 449ce350b90b..b8290ec144b4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e5ec3789c16e12a1936a3be7bdda51897a4148b8
+refs/heads/master: e1d50dce5af77cb6d33555af70e2b8748dd84009
diff --git a/trunk/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/trunk/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index d00a2c174aee..3f663fb852c1 100644
--- a/trunk/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/trunk/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -194,7 +194,13 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
 	/* Set the cached Q_Key before we attach if it's the broadcast group */
 	if (!memcmp(mcast->mcmember.mgid.raw, priv->dev->broadcast + 4,
 		    sizeof (union ib_gid))) {
+		spin_lock_irq(&priv->lock);
+		if (!priv->broadcast) {
+			spin_unlock_irq(&priv->lock);
+			return -EAGAIN;
+		}
 		priv->qkey = be32_to_cpu(priv->broadcast->mcmember.qkey);
+		spin_unlock_irq(&priv->lock);
 		priv->tx_wr.wr.ud.remote_qkey = priv->qkey;
 	}