diff --git a/[refs] b/[refs]
index 3f5313c7cca9..043b9e3ae9b6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3c91c7ae84966f992429e1e128c4936f22b89064
+refs/heads/master: 40be261dfd8bfba4baeff40168d44a6a4450ace1
diff --git a/trunk/drivers/net/wan/cosa.c b/trunk/drivers/net/wan/cosa.c
index e2c33c06190b..8e25ca7080c7 100644
--- a/trunk/drivers/net/wan/cosa.c
+++ b/trunk/drivers/net/wan/cosa.c
@@ -907,6 +907,7 @@ static ssize_t cosa_write(struct file *file,
 			current->state = TASK_RUNNING;
 			chan->tx_status = 1;
 			spin_unlock_irqrestore(&cosa->lock, flags);
+			up(&chan->wsem);
 			return -ERESTARTSYS;
 		}
 	}