pnfsblock: add missing rpc_put_mount and path_put

Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Jim Rees <rees@umich.edu>
Cc: stable@kernel.org [3.0]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index dc23833c0231..dee6cae80fea 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -993,17 +993,20 @@ static int __init nfs4blocklayout_init(void)
                               mnt,
                               NFS_PIPE_DIRNAME, 0, &path);
         if (ret)
-                goto out_remove;
+                goto out_putrpc;
 
         bl_device_pipe = rpc_mkpipe(path.dentry, "blocklayout", NULL,
                                     &bl_upcall_ops, 0);
+        path_put(&path);
         if (IS_ERR(bl_device_pipe)) {
                 ret = PTR_ERR(bl_device_pipe);
-                goto out_remove;
+                goto out_putrpc;
         }
 out:
         return ret;
 
+out_putrpc:
+        rpc_put_mount();
 out_remove:
         pnfs_unregister_layoutdriver(&blocklayout_type);
         return ret;
@@ -1016,6 +1019,7 @@ static void __exit nfs4blocklayout_exit(void)
 
         pnfs_unregister_layoutdriver(&blocklayout_type);
         rpc_unlink(bl_device_pipe);
+        rpc_put_mount();
 }
 
 MODULE_ALIAS("nfs-layouttype4-3");