From d687ca380f1a8f3043f42efd2403cbe58c846e70 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 17 Jun 2011 09:14:27 -0400
Subject: cifs: leak on mount if we share superblock

cifs_sb and nls end up leaked...

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/cifs/cifsfs.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'fs/cifs')

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 8f7451f3c8e6..4162ee45d043 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -701,6 +701,8 @@ cifs_do_mount(struct file_system_type *fs_type,
 
 	if (sb->s_fs_info) {
 		cFYI(1, "Use existing superblock");
+		unload_nls(cifs_sb->local_nls);
+		kfree(cifs_sb);
 		goto out_shared;
 	}
 
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