linux-kernel - [PATCH] configfs: add missing mutex

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Date:	Sun, 4 Mar 2007 22:38:12 +0900
From:	Akinobu Mita <akinobu.mita@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Joel Becker <joel.becker@...cle.com>
Subject: [PATCH] configfs: add missing mutex_unlock()

From: Akinobu Mita <akinobu.mita@...il.com>
Subject: [PATCH] configfs: add missing mutex_unlock()

Add missing mutex_unlock() on d_alloc() failure in
configfs_register_subsystem().

Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
Cc: Joel Becker <joel.becker@...cle.com>
---
 fs/configfs/dir.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Index: 2.6-mm/fs/configfs/dir.c
===================================================================
--- 2.6-mm.orig/fs/configfs/dir.c
+++ 2.6-mm/fs/configfs/dir.c
@@ -1168,8 +1168,10 @@ int configfs_register_subsystem(struct c
 
 	err = -ENOMEM;
 	dentry = d_alloc(configfs_sb->s_root, &name);
-	if (!dentry)
+	if (!dentry) {
+		mutex_unlock(&configfs_sb->s_root->d_inode->i_mutex);
 		goto out_release;
+	}
 
 	d_add(dentry, NULL);
 
-
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