In order to force drivers to advertise their interface types, don't just disallow creating new interfaces with unadvertised types but also disallow setting them UP. Additionally, add some validation on the operations the drivers support. Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx> --- net/wireless/core.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) --- wireless-testing.orig/net/wireless/core.c 2009-07-07 03:37:06.000000000 +0200 +++ wireless-testing/net/wireless/core.c 2009-07-07 03:37:07.000000000 +0200 @@ -331,8 +331,13 @@ struct wiphy *wiphy_new(const struct cfg struct cfg80211_registered_device *rdev; int alloc_size; - WARN_ON(!ops->add_key && ops->del_key); - WARN_ON(ops->add_key && !ops->del_key); + WARN_ON(ops->add_key && (!ops->del_key || !ops->set_default_key)); + WARN_ON(ops->auth && (!ops->assoc || !ops->deauth || !ops->disassoc)); + WARN_ON(ops->connect && !ops->disconnect); + WARN_ON(ops->join_ibss && !ops->leave_ibss); + WARN_ON(ops->add_virtual_intf && !ops->del_virtual_intf); + WARN_ON(ops->add_station && !ops->del_station); + WARN_ON(ops->add_mpath && !ops->del_mpath); alloc_size = sizeof(*rdev) + sizeof_priv; @@ -687,6 +692,8 @@ static int cfg80211_netdev_notifier_call mutex_destroy(&wdev->mtx); break; case NETDEV_PRE_UP: + if (!(wdev->wiphy->interface_modes & BIT(wdev->iftype))) + return notifier_from_errno(-EOPNOTSUPP); if (rfkill_blocked(rdev->rfkill)) return notifier_from_errno(-ERFKILL); break; -- -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
