From: Peng Tao <bergwolf@gmail.com>
Date: Fri, 23 Sep 2011 01:50:11 +0000 (-0400)
Subject: pnfsblock: add missing rpc_put_mount and path_put
X-Git-Tag: v3.1.1~177
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f135656f64649c09545808f8846c33700f34f476;p=karo-tx-linux.git

pnfsblock: add missing rpc_put_mount and path_put

commit 760383f1ee4d14b0e0bdf0cddee648d9b8633429 upstream.

Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Jim Rees <rees@umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index d2432f0dc40c..5d1b939c3d3b 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");