From 1f4d4a80fbcb1e09cfb95660bcd2b677ea6d04c1 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Sat, 25 Mar 2006 03:08:06 -0800 Subject: [PATCH] [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 Cc: Karsten Keil Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/isdn/i4l/isdn_tty.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) 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)) { -- 2.39.5