[PATCH] vfs: Remove second variable named error in __dentry_path

[Eric W. Biederman]

In commit  232d2d60aa5469bb097f55728f65146bd49c1d25
Author: Waiman Long <Waiman.Long@xxxxxx>
Date:   Mon Sep 9 12:18:13 2013 -0400

    dcache: Translating dentry into pathname without taking rename_lock

The __dentry_path locking was changed and the variable error was
intended to be moved outside of the loop.  Unfortunately the inner
declaration of error was not removed. Resulting in a version of
__dentry_path that will never return an error.

Remove the problematic inner declaration of error and allow
__dentry_path to return errors once again.

Cc: stable@xxxxxxxxxxxxxxx
Cc: Waiman Long <Waiman.Long@xxxxxx>
Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
---
 fs/dcache.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index cb4a10690868..fdbe23027810 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -3135,7 +3135,6 @@ restart:
 	read_seqbegin_or_lock(&rename_lock, &seq);
 	while (!IS_ROOT(dentry)) {
 		struct dentry *parent = dentry->d_parent;
-		int error;
 
 		prefetch(parent);
 		error = prepend_name(&end, &len, &dentry->d_name);
-- 
1.7.5.4

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