The error code is missing here so it means we return ERR_PTR(0) or NULL.
The other error paths all return an error code so this probably should
as well.

Fixes: 02b69b28 ("ovl: lookup redirects")
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: NChandan Rajendra <chandan@linux.vnet.ibm.com>
Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>