diff options
| -rw-r--r-- | net/mac80211/ibss.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index d4e84b22a66d..090e344d5f90 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -943,11 +943,6 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata) } } - del_timer_sync(&sdata->u.ibss.timer); - clear_bit(IEEE80211_IBSS_REQ_RUN, &sdata->u.ibss.request); - cancel_work_sync(&sdata->work); - clear_bit(IEEE80211_IBSS_REQ_RUN, &sdata->u.ibss.request); - sta_info_flush(sdata->local, sdata); /* remove beacon */ @@ -964,6 +959,20 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata) memset(sdata->u.ibss.bssid, 0, ETH_ALEN); sdata->u.ibss.ssid_len = 0; + /* + * ssid_len indicates active or not, so needs to be visible to + * everybody, especially ieee80211_ibss_notify_scan_completed, + * so it won't restart the timer after we remove it here. + */ + mb(); + + del_timer_sync(&sdata->u.ibss.timer); + clear_bit(IEEE80211_IBSS_REQ_RUN, &sdata->u.ibss.request); + /* + * Since the REQ_RUN bit is clear, the work won't do + * anything if it runs after this. + */ + ieee80211_recalc_idle(sdata->local); return 0; |