This is just a cleanup and doesn't change how the code works.

The original code had a mix of returns and gotos so I changed everything
to just return directly.
Signed-off-by: NDan Carpenter <error27@gmail.com>
Reviewed-by: NChristoph Lameter <cl@linux-foundation.org>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>