linux-kernel - [PATCH 3/5] DebugFS : file/directory creation error handling, 2.6.18

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Date:	Thu, 23 Nov 2006 03:00:09 -0500
From:	Mathieu Desnoyers <compudj@...stal.dyndns.org>
To:	Greg KH <greg@...ah.com>
Cc:	ltt-dev@...fik.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/5] DebugFS : file/directory creation error handling, 2.6.18

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>


--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -198,13 +198,15 @@
 
 	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;
 	}
 


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