From: Johannes Berg <johannes.berg@xxxxxxxxx> There's no need to BUG_ON when a driver registers invalid operations, warn and return an error. Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> --- net/mac80211/main.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/net/mac80211/main.c b/net/mac80211/main.c index f74e52a..820f717 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -545,6 +545,11 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, int priv_size, i; struct wiphy *wiphy; + if (WARN_ON(!ops->tx || !ops->start || !ops->stop || !ops->config || + !ops->add_interface || !ops->remove_interface || + !ops->configure_filter)) + return NULL; + if (WARN_ON(ops->sta_state && (ops->sta_add || ops->sta_remove))) return NULL; @@ -597,13 +602,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); - BUG_ON(!ops->tx); - BUG_ON(!ops->start); - BUG_ON(!ops->stop); - BUG_ON(!ops->config); - BUG_ON(!ops->add_interface); - BUG_ON(!ops->remove_interface); - BUG_ON(!ops->configure_filter); local->ops = ops; /* set up some defaults */ -- 1.7.10.4 -- 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
