diff --git a/[refs] b/[refs]
index 6c0afa748331..b4d8bccc54e8 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: daff89f324755f87a060d5125a205c0755811ea9
+refs/heads/master: 1f4d4a80fbcb1e09cfb95660bcd2b677ea6d04c1
diff --git a/trunk/drivers/isdn/i4l/isdn_tty.c b/trunk/drivers/isdn/i4l/isdn_tty.c
index aeaa1db74bd8..3585fb1f3344 100644
--- a/trunk/drivers/isdn/i4l/isdn_tty.c
+++ b/trunk/drivers/isdn/i4l/isdn_tty.c
@@ -2345,12 +2345,15 @@ isdn_tty_at_cout(char *msg, modem_info * info)
 	u_long flags;
 	struct sk_buff *skb = NULL;
 	char *sp = NULL;
-	int l = strlen(msg);
+	int l;
 
 	if (!msg) {
 		printk(KERN_WARNING "isdn_tty: Null-Message in isdn_tty_at_cout\n");
 		return;
 	}
+
+	l = strlen(msg);
+
 	spin_lock_irqsave(&info->readlock, flags);
 	tty = info->tty;
 	if ((info->flags & ISDN_ASYNC_CLOSING) || (!tty)) {