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Date: Mon, 23 Jul 2007 03:11:35 +0200
From: Adrian Bunk <bunk@...sta.de>
To: jeremy@...source.com, chrisw@...s-sol.org
Cc: xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org
Subject: [2.6.23 patch] 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@...sta.de>
---
--- linux-2.6.22-rc6-mm1/drivers/xen/xenbus/xenbus_xs.c.old 2007-07-23 03:04:20.000000000 +0200
+++ linux-2.6.22-rc6-mm1/drivers/xen/xenbus/xenbus_xs.c 2007-07-23 03:04:42.000000000 +0200
@@ -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;
}
-
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