diff --git a/[refs] b/[refs]
index c77aa359f5ca..f4079a0599a4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d73dfc6a4199e0e37b54c647549828eabda67c7c
+refs/heads/master: 4e18585d51434c28269e625e56a06396d70d0ff2
diff --git a/trunk/drivers/tty/n_gsm.c b/trunk/drivers/tty/n_gsm.c
index d84dcfeadce3..e0f80ce0cf8f 100644
--- a/trunk/drivers/tty/n_gsm.c
+++ b/trunk/drivers/tty/n_gsm.c
@@ -573,7 +573,6 @@ static void gsm_send(struct gsm_mux *gsm, int addr, int cr, int control)
 	int len;
 	u8 cbuf[10];
 	u8 ibuf[3];
-	unsigned long flags;
 
 	switch (gsm->encoding) {
 	case 0:
@@ -603,9 +602,7 @@ static void gsm_send(struct gsm_mux *gsm, int addr, int cr, int control)
 		WARN_ON(1);
 		return;
 	}
-	spin_lock_irqsave(&gsm->tx_lock, flags);
 	gsm->output(gsm, cbuf, len);
-	spin_unlock_irqrestore(&gsm->tx_lock, flags);
 	gsm_print_packet("-->", addr, cr, control, NULL, 0);
 }