2.6.31-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Yinghai Lu <yinghai@kernel.org>

commit 4223a4a155f245d41c350ed9eba4fc32e965c4da upstream.

Fix a (small) memory leak in one of the error paths of the NFS mount
options parsing code.

Regression introduced in 2.6.30 by commit a67d18f (NFS: load the
rpc/rdma transport module automatically).

Reported-by: Yinghai Lu <yinghai@kernel.org>
Reported-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 fs/nfs/super.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1323,6 +1323,7 @@ static int nfs_parse_mount_options(char 
 			default:
 				dfprintk(MOUNT, "NFS:   unrecognized "
 						"transport protocol\n");
+				kfree(string);
 				return 0;
 			}
 			break;


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