From: Michael Halcrow <mhalcrow@us.ibm.com>
Date: Thu, 1 Mar 2007 04:12:57 +0000 (-0800)
Subject: [PATCH] eCryptfs: no path_release() after path_lookup() error
X-Git-Tag: firefly_0821_release~30922
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=65dc8145711d1c20aecbb1a8a4a518f7c68611b8;p=firefly-linux-kernel-4.4.55.git

[PATCH] eCryptfs: no path_release() after path_lookup() error

Dmitriy Monakhov wrote:
> if path_lookup() return non zero code we don't have to worry about
> 'nd' parameter, but ecryptfs_read_super does path_release(&nd) after
> path_lookup has failed, and dentry counter becomes negative

Do not do a path_release after a path_lookup error.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Cc: Dmitriy Monakhov <dmonakhov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 80044d196fe0..812427e6805c 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -487,7 +487,7 @@ static int ecryptfs_read_super(struct super_block *sb, const char *dev_name)
 	rc = path_lookup(dev_name, LOOKUP_FOLLOW, &nd);
 	if (rc) {
 		ecryptfs_printk(KERN_WARNING, "path_lookup() failed\n");
-		goto out_free;
+		goto out;
 	}
 	lower_root = nd.dentry;
 	if (!lower_root->d_inode) {