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configfs: call drop_link() to cleanup after create_link() failure 

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>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
This commit is contained in:
Louis Rilling 2008-06-12 17:26:47 +02:00 committed by Mark Fasheh
parent 11c3b79218
commit e752065175
1 changed files with 5 additions and 1 deletions
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6
fs/configfs/symlink.c
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@ -140,8 +140,12 @@ int configfs_symlink(struct inode *dir, struct dentry *dentry, const char *symna
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);