tree e76d1cf437b9c2317be7f98768f75a9962b03686
parent 38ad2d87d42ba847c100ef132e8e363513982c8b
author Juuso Oikarinen <juuso.oikarinen@nokia.com> 1260538869 +0200
committer John W. Linville <linville@tuxdriver.com> 1262035896 -0500

wl1271: Check vif for NULL when indicating beacon-loss

Because the interface is started and the vif are created and destroyed
separately, there is a slim possibility beacon-loss indications occur while
there is no vif - causing a kernel-oops unless checked.

Add checking for the vif.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>