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mt76: mt7921: abort uncompleted scan by wifi reset

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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: 0c1ce98846 ("mt76: mt7921: add wifi reset support")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Sean Wang 2021-04-16 23:30:36 +08:00 committed by Felix Fietkau
parent f1ae92bbc4
commit e513ae4908
1 changed files with 8 additions and 0 deletions
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8
drivers/net/wireless/mediatek/mt76/mt7921/mac.c
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@ -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,