From: Adrian Bunk <bunk@stusta.de>

Fix a check-after-use spotted by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 drivers/isdn/i4l/isdn_tty.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletion(-)

diff -puN drivers/isdn/i4l/isdn_tty.c~i4l-isdn_ttyc-fix-a-check-after-use drivers/isdn/i4l/isdn_tty.c
--- 25/drivers/isdn/i4l/isdn_tty.c~i4l-isdn_ttyc-fix-a-check-after-use	Fri Mar 17 16:34:04 2006
+++ 25-akpm/drivers/isdn/i4l/isdn_tty.c	Fri Mar 17 16:34:04 2006
@@ -2345,12 +2345,15 @@ isdn_tty_at_cout(char *msg, modem_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)) {
_