When allow_link() succeeds but create_link() fails, the subsystem is not
informed of the failure.

This patch fixes this by calling drop_link() on create_link() failures.

Signed-off-by: Louis Rilling <Louis.Rilling@kerlabs.com>
---
 fs/configfs/symlink.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Index: b/fs/configfs/symlink.c
===================================================================
--- a/fs/configfs/symlink.c	2008-06-12 17:13:27.000000000 +0200
+++ b/fs/configfs/symlink.c	2008-06-12 17:13:38.000000000 +0200
@@ -137,8 +137,12 @@ int configfs_symlink(struct inode *dir, 
 		goto out_put;
 
 	ret = type->ct_item_ops->allow_link(parent_item, target_item);
-	if (!ret)
+	if (!ret) {
 		ret = create_link(parent_item, target_item, dentry);
+		if (ret && type->ct_item_ops->drop_link)
+			type->ct_item_ops->drop_link(parent_item,
+						     target_item);
+	}
 
 	config_item_put(target_item);
 	path_put(&nd.path);

-- 
Dr Louis Rilling			Kerlabs
Skype: louis.rilling			Batiment Germanium
Phone: (+33|0) 6 80 89 08 23		80 avenue des Buttes de Coesmes
http://www.kerlabs.com/			35700 Rennes


