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Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 9f6464f3e05f..6044c6d87e4c 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3503,6 +3503,14 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
/*
+ * Stop timers before deleting work items, as timers
+ * could race and re-add the work-items. They will be
+ * re-established on connection.
+ */
+ del_timer_sync(&ifmgd->conn_mon_timer);
+ del_timer_sync(&ifmgd->bcn_mon_timer);
+
+ /*
* we need to use atomic bitops for the running bits
* only because both timers might fire at the same
* time -- the code here is properly synchronised.
@@ -3516,13 +3524,9 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
if (del_timer_sync(&ifmgd->timer))
set_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running);
- cancel_work_sync(&ifmgd->chswitch_work);
if (del_timer_sync(&ifmgd->chswitch_timer))
set_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running);
-
- /* these will just be re-established on connection */
- del_timer_sync(&ifmgd->conn_mon_timer);
- del_timer_sync(&ifmgd->bcn_mon_timer);
+ cancel_work_sync(&ifmgd->chswitch_work);
}
void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)