From e513ae49088bbb0d00299a9f996f88f08cca7dc6 Mon Sep 17 00:00:00 2001 From: Sean Wang Date: Fri, 16 Apr 2021 23:30:36 +0800 Subject: mt76: mt7921: abort uncompleted scan by wifi reset 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: 0c1ce9884607 ("mt76: mt7921: add wifi reset support") Signed-off-by: Sean Wang Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 8 ++++++++ 1 file changed, 8 insertions(+) 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, -- cgit