Use list_for_each_entry() instead of manual iteration and
substitute some list_for_each() loops with list_for_each_entry().
Signed-off-by: NMatthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: NJouni Malinen <j@w1.fi>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>