From: Ivo van Doorn <ivdoorn@xxxxxxxxx> At the moment it is possible to call ieee80211_unregister_hw() for an unregistered hw structure. This will cause a big panic. This patch will add a BUG_ON() line to warn about this situation. Signed-off-by: Ivo van Doorn <IvDoorn@xxxxxxxxx> Signed-off-by: Jiri Benc <jbenc@xxxxxxx> --- net/mac80211/ieee80211.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) a6d266e59dd7d2f2c4bc439d47f21cf92d6df949 diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index fb2ce3d..39468b8 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -4732,6 +4732,9 @@ void ieee80211_unregister_hw(struct ieee tasklet_kill(&local->tasklet); rtnl_lock(); + + BUG_ON(local->reg_state != IEEE80211_DEV_REGISTERED); + local->reg_state = IEEE80211_DEV_UNREGISTERED; if (local->apdev) ieee80211_if_del_mgmt(local); -- 1.3.0 - 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
