linux-kernel - [PATCH 02/16] vfs: do_last(): make exit RCU safe

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Message-Id: <1337614220-6174-3-git-send-email-miklos@szeredi.hu>
Date:	Mon, 21 May 2012 17:30:06 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	viro@...IV.linux.org.uk
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	hch@...radead.org, torvalds@...ux-foundation.org, mszeredi@...e.cz
Subject: [PATCH 02/16] vfs: do_last(): make exit RCU safe

From: Miklos Szeredi <mszeredi@...e.cz>

Allow returning from do_last() with LOOKUP_RCU still set on the "out:" and
"exit:" labels.

Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
---
 fs/namei.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index b11fcb2..d55ef9e 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2385,7 +2385,7 @@ common:
 out:
 	if (want_write)
 		mnt_drop_write(nd->path.mnt);
-	path_put(&nd->path);
+	terminate_walk(nd);
 	return filp;
 
 exit_mutex_unlock:
-- 
1.7.7

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