mac80211_hwsim: unregister genetlink family properly
mac80211_hwsim: unregister genetlink family properly

During hwsim_init_netlink(), we should call genl_unregister_family()
if failed on netlink_register_notifier() since the genetlink is
already registered.

Signed-off-by: Su Kang Yin <f7e7ec4fb28af38e55d161bc7e059a9978b69170@cantona.net>
Signed-off-by: Johannes Berg <bff32994ff0f8d048f262a8388145a71b6071bfe@intel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs