From: Adrian Bunk <bunk@stusta.de>
Date: Thu, 26 Jul 2007 17:41:10 +0000 (-0700)
Subject: xenbus_xs.c: fix a use-after-free
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=98ac0e53facc851f8bc5110039ab05005c0c4736;p=openwrt%2Fstaging%2Fblogic.git

xenbus_xs.c: fix a use-after-free

This patch fixes an obvious use-after-free spotted by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index 9e943fbce81b..227d53b12a5c 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -782,8 +782,8 @@ static int process_msg(void)
 		msg->u.watch.vec = split(body, msg->hdr.len,
 					 &msg->u.watch.vec_size);
 		if (IS_ERR(msg->u.watch.vec)) {
-			kfree(msg);
 			err = PTR_ERR(msg->u.watch.vec);
+			kfree(msg);
 			goto out;
 		}