diff mbox series

[v2,2/2] mt76: mt7921: abort uncompleted scan by wifi reset

Message ID 1618587036-17143-2-git-send-email-sean.wang@mediatek.com
State New
Headers show
Series [v2,1/2] mt76: mt7921: add wifisys reset support in debugfs | expand

Commit Message

Sean Wang April 16, 2021, 3:30 p.m. UTC 
From: Sean Wang <sean.wang@mediatek.com>

Scan abort should be required for the uncompleted hardware scan
interrupted by wifi reset. Otherwise, it is possible that the scan
request after wifi reset gets error code -EBUSY from mac80211 and
then blocks the reconnectting to the access point.

Fixes: 215bb6737bef ("mt76: mt7921: add wifi reset support")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
v2: no change
---
 drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 572bab82315a..3145880df6e7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -1413,6 +1413,14 @@  void mt7921_mac_reset_work(struct work_struct *work)
 	if (i == 10)
 		dev_err(dev->mt76.dev, "chip reset failed\n");
 
+	if (test_and_clear_bit(MT76_HW_SCANNING, &dev->mphy.state)) {
+		struct cfg80211_scan_info info = {
+			.aborted = true,
+		};
+
+		ieee80211_scan_completed(dev->mphy.hw, &info);
+	}
+
 	ieee80211_wake_queues(hw);
 	ieee80211_iterate_active_interfaces(hw,
 					    IEEE80211_IFACE_ITER_RESUME_ALL,