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xenbus_xs.c: fix a use-after-free
authorAdrian Bunk <bunk@stusta.de>
Thu, 26 Jul 2007 17:41:10 +0000 (10:41 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Thu, 26 Jul 2007 18:35:17 +0000 (11:35 -0700)
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>
drivers/xen/xenbus/xenbus_xs.c patch | blob | blame | history

diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index 9e943fbce81b7a58a38c06fcde362bae7999d1de..227d53b12a5cc05490687f6e9f3c9e5725b147f2 100644 (file)
--- 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;
                }