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-rw-r--r--net/wireless/mlme.c16
-rw-r--r--net/wireless/trace.h11
2 files changed, 17 insertions, 10 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index ac2e5e732d94..450be1ec70b8 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -905,13 +905,13 @@ void cfg80211_dfs_channels_update_work(struct work_struct *work)
}
-void cfg80211_radar_event(struct wiphy *wiphy,
- struct cfg80211_chan_def *chandef,
- gfp_t gfp)
+void __cfg80211_radar_event(struct wiphy *wiphy,
+ struct cfg80211_chan_def *chandef,
+ bool offchan, gfp_t gfp)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
- trace_cfg80211_radar_event(wiphy, chandef);
+ trace_cfg80211_radar_event(wiphy, chandef, offchan);
/* only set the chandef supplied channel to unavailable, in
* case the radar is detected on only one of multiple channels
@@ -919,6 +919,9 @@ void cfg80211_radar_event(struct wiphy *wiphy,
*/
cfg80211_set_dfs_state(wiphy, chandef, NL80211_DFS_UNAVAILABLE);
+ if (offchan)
+ queue_work(cfg80211_wq, &rdev->offchan_cac_abort_wk);
+
cfg80211_sched_dfs_chan_update(rdev);
nl80211_radar_notify(rdev, chandef, NL80211_RADAR_DETECTED, NULL, gfp);
@@ -926,7 +929,7 @@ void cfg80211_radar_event(struct wiphy *wiphy,
memcpy(&rdev->radar_chandef, chandef, sizeof(struct cfg80211_chan_def));
queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
}
-EXPORT_SYMBOL(cfg80211_radar_event);
+EXPORT_SYMBOL(__cfg80211_radar_event);
void cfg80211_cac_event(struct net_device *netdev,
const struct cfg80211_chan_def *chandef,
@@ -998,7 +1001,8 @@ __cfg80211_offchan_cac_event(struct cfg80211_registered_device *rdev,
rdev->offchan_radar_wdev = NULL;
break;
case NL80211_RADAR_CAC_ABORTED:
- cancel_delayed_work(&rdev->offchan_cac_done_wk);
+ if (!cancel_delayed_work(&rdev->offchan_cac_done_wk))
+ return;
wdev = rdev->offchan_radar_wdev;
rdev->offchan_radar_wdev = NULL;
break;
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 0b27eaa14a18..e854d52db1a6 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -3053,18 +3053,21 @@ TRACE_EVENT(cfg80211_ch_switch_started_notify,
);
TRACE_EVENT(cfg80211_radar_event,
- TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef),
- TP_ARGS(wiphy, chandef),
+ TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef,
+ bool offchan),
+ TP_ARGS(wiphy, chandef, offchan),
TP_STRUCT__entry(
WIPHY_ENTRY
CHAN_DEF_ENTRY
+ __field(bool, offchan)
),
TP_fast_assign(
WIPHY_ASSIGN;
CHAN_DEF_ASSIGN(chandef);
+ __entry->offchan = offchan;
),
- TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT,
- WIPHY_PR_ARG, CHAN_DEF_PR_ARG)
+ TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT ", offchan %d",
+ WIPHY_PR_ARG, CHAN_DEF_PR_ARG, __entry->offchan)
);
TRACE_EVENT(cfg80211_cac_event,