The "(wl == NULL)" test doesn't work here because "wl" is always
non-null. The intent of the code is to return if the interface
was not supported by the driver.
Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>