linux-kernel - [PATCH 9/14] DebugFS : file/directory creation error handling

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Message-Id: <11660396163757-git-send-email-greg@kroah.com>
Date:	Wed, 13 Dec 2006 11:53:00 -0800
From:	Greg KH <greg@...ah.com>
To:	linux-kernel@...r.kernel.org
Cc:	Mathieu Desnoyers <compudj@...stal.dyndns.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 9/14] DebugFS : file/directory creation error handling

From: Mathieu Desnoyers <compudj@...stal.dyndns.org>

Fix error handling of file and directory creation in DebugFS.

The error path should release the file system because no _remove will be called
for this erroneous creation.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 fs/debugfs/inode.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 05d1a9c..d6c5fb5 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -206,13 +206,15 @@ struct dentry *debugfs_create_file(const char *name, mode_t mode,
 
 	pr_debug("debugfs: creating file '%s'\n",name);
 
-	error = simple_pin_fs(&debug_fs_type, &debugfs_mount, &debugfs_mount_count);
+	error = simple_pin_fs(&debug_fs_type, &debugfs_mount,
+			      &debugfs_mount_count);
 	if (error)
 		goto exit;
 
 	error = debugfs_create_by_name(name, mode, parent, &dentry);
 	if (error) {
 		dentry = NULL;
+		simple_release_fs(&debugfs_mount, &debugfs_mount_count);
 		goto exit;
 	}
 
-- 
1.4.4.2

-
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