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Commit 1f4d4a80 authored by Adrian Bunk's avatar Adrian Bunk Committed by Linus Torvalds
Browse files

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



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

Signed-off-by: default avatarAdrian Bunk <bunk@stusta.de>
Cc: Karsten Keil <kkeil@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent daff89f3

drivers/isdn/i4l/isdn_tty.c

+4 −1
Original line number Diff line number Diff line
@@ -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)) {