diff --git a/[refs] b/[refs]
index 3fb36dcc6743..3a35c67283f5 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ce4796d1e16cf3761dc2a02b8d588667d05b3078
+refs/heads/master: 80d38f9a7871d9bafc3f244dabe48b41a58de705
diff --git a/trunk/drivers/char/esp.c b/trunk/drivers/char/esp.c
index c01e26d9ee5e..f3fe62067344 100644
--- a/trunk/drivers/char/esp.c
+++ b/trunk/drivers/char/esp.c
@@ -2484,6 +2484,7 @@ static int __init espserial_init(void)
 			return 0;
 		}
 
+		spin_lock_init(&info->lock);
 		/* rx_trigger, tx_trigger are needed by autoconfig */
 		info->config.rx_trigger = rx_trigger;
 		info->config.tx_trigger = tx_trigger;