linux-kernel - [088/264] pnfsblock: add missing rpc_put_mount and path

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Message-Id: <20111109213150.957468275@clark.kroah.org>
Date:	Wed, 09 Nov 2011 13:32:15 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Peng Tao <peng_tao@....com>,
	Jim Rees <rees@...ch.edu>,
	Trond Myklebust <Trond.Myklebust@...app.com>
Subject: [088/264] pnfsblock: add missing rpc_put_mount and path_put

3.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Peng Tao <bergwolf@...il.com>

commit 760383f1ee4d14b0e0bdf0cddee648d9b8633429 upstream.

Reviewed-by: Jeff Layton <jlayton@...hat.com>
Signed-off-by: Peng Tao <peng_tao@....com>
Signed-off-by: Jim Rees <rees@...ch.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@...app.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 fs/nfs/blocklayout/blocklayout.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -993,17 +993,20 @@ static int __init nfs4blocklayout_init(v
 			      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(
 
 	pnfs_unregister_layoutdriver(&blocklayout_type);
 	rpc_unlink(bl_device_pipe);
+	rpc_put_mount();
 }
 
 MODULE_ALIAS("nfs-layouttype4-3");


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