From: Jan Blunck <jblunck@suse.de>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: Linux-Kernel Mailinglist <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>
Subject: [patch 1/2] r/o bind mounts: Dont touch the vfsmount after path_put()
Date: Fri, 12 Oct 2007 17:50:20 +0200 [thread overview]
Message-ID: <20071012155019.985151100@hasse.suse.de> (raw)
In-Reply-To: 20071012155019.747515889@hasse.suse.de
[-- Attachment #1: vfs/r-o-af_unix-bind-mnt_drop_write-fix.diff --]
[-- Type: text/plain, Size: 630 bytes --]
mnt_drop_write() is called after releasing the reference to the path with
path_put().
Signed-off-by: Jan Blunck <jblunck@suse.de>
---
net/unix/af_unix.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: b/net/unix/af_unix.c
===================================================================
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -752,8 +752,8 @@ static struct sock *unix_find_other(stru
if (u->sk_type == type)
touch_atime(nd.path.mnt, nd.path.dentry);
- path_put(&nd.path);
mnt_drop_write(nd.path.mnt);
+ path_put(&nd.path);
err=-EPROTOTYPE;
if (u->sk_type != type) {
--
next prev parent reply other threads:[~2007-10-12 16:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-12 15:50 [patch 0/2] r/o bind mount fixes for 2.6.23-mm1 Jan Blunck
2007-10-12 15:50 ` Jan Blunck [this message]
2007-10-12 16:06 ` [patch 1/2] r/o bind mounts: Dont touch the vfsmount after path_put() Dave Hansen
2007-10-12 15:50 ` [patch 2/2] r/o bind mounts: Accept passing a mnt NULL pointer to mnt_drop_write() Jan Blunck
2007-10-12 16:10 ` Dave Hansen
2007-10-13 11:25 ` Christoph Hellwig
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