[PATCH] dcache: is_subdir missed reset after seqretry

dcache: is_subdir forgot to reset the result after seqretry.
Signed-Off-by: Prasanna Meda <pmeda@akamai.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/dcache.c

@@ -1532,7 +1532,6 @@ int is_subdir(struct dentry * new_dentry, struct dentry * old_dentry)
 	struct dentry * saved = new_dentry;
 	unsigned long seq;
 
-	result = 0;
 	/* need rcu_readlock to protect against the d_parent trashing due to
 	 * d_move
 	 */
@@ -1540,6 +1539,7 @@ int is_subdir(struct dentry * new_dentry, struct dentry * old_dentry)
         do {
 		/* for restarting inner loop in case of seq retry */
 		new_dentry = saved;
+		result = 0;
 		seq = read_seqbegin(&rename_lock);
 		for (;;) {
 			if (new_dentry != old_dentry) {