diff options
| -rw-r--r-- | sys/net80211/ieee80211.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/net80211/ieee80211.c b/sys/net80211/ieee80211.c index 1d9e875530e..e313d22d1a6 100644 --- a/sys/net80211/ieee80211.c +++ b/sys/net80211/ieee80211.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ieee80211.c,v 1.83 2020/04/08 09:34:29 stsp Exp $ */ +/* $OpenBSD: ieee80211.c,v 1.84 2020/06/08 09:09:58 stsp Exp $ */ /* $NetBSD: ieee80211.c,v 1.19 2004/06/06 05:45:29 dyoung Exp $ */ /*- @@ -204,6 +204,14 @@ ieee80211_ifdetach(struct ifnet *ifp) struct ieee80211com *ic = (void *)ifp; timeout_del(&ic->ic_bgscan_timeout); + + /* + * Undo pseudo-driver changes. Pseudo-driver detach hooks could + * call back into the driver, e.g. via ioctl. So deactivate the + * interface before freeing net80211-specific data structures. + */ + if_deactivate(ifp); + ieee80211_proto_detach(ifp); ieee80211_crypto_detach(ifp); ieee80211_node_detach(ifp); |