From: Adrian Bunk <bunk@stusta.de>
Date: Sat, 25 Mar 2006 11:08:06 +0000 (-0800)
Subject: [PATCH] i4l/isdn_tty.c: fix a check-after-use
X-Git-Tag: v2.6.17-rc1~768
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1f4d4a80fbcb1e09cfb95660bcd2b677ea6d04c1;p=karo-tx-linux.git

[PATCH] i4l/isdn_tty.c: fix a check-after-use

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>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index aeaa1db74bd8..3585fb1f3344 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/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)) {