From: Miklos Szeredi <mszeredi@suse.cz>
Date: Mon, 21 May 2012 15:30:06 +0000 (+0200)
Subject: vfs: do_last(): make exit RCU safe
X-Git-Tag: v3.5-rc1~15^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e276ae672fa2d727721b1a5a2508ff34bac85439;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git

vfs: do_last(): make exit RCU safe

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

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/namei.c b/fs/namei.c
index 7f4ab82..edc18cd 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2383,7 +2383,7 @@ common:
 out:
 	if (want_write)
 		mnt_drop_write(nd->path.mnt);
-	path_put(&nd->path);
+	terminate_walk(nd);
 	return filp;
 
 exit_mutex_unlock: