From: David S. Miller <davem@davemloft.net>
Date: Wed, 13 Jan 2016 16:45:39 +0000 (-0500)
Subject: x25_asy: Free x25_asy on x25_asy_open() failure.
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3b780bed3138c2a8061c218df7e321beec9a6ec9;p=linux-beck.git

x25_asy: Free x25_asy on x25_asy_open() failure.

Based upon a report by Dmitry Vyukov.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c
index cd39025d2abf..1bc5e93d2a34 100644
--- a/drivers/net/wan/x25_asy.c
+++ b/drivers/net/wan/x25_asy.c
@@ -571,8 +571,10 @@ static int x25_asy_open_tty(struct tty_struct *tty)
 
 	/* Perform the low-level X.25 async init */
 	err = x25_asy_open(sl->dev);
-	if (err)
+	if (err) {
+		x25_asy_free(sl);
 		return err;
+	}
 	/* Done.  We have linked the TTY line to a channel. */
 	return 0;
 }