6.12-stable review patch. If anyone has any objections, please let me know.
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From: Ming Yen Hsieh mingyen.hsieh@mediatek.com
[ Upstream commit 122f270aca2c86d7de264ab67161c845e0691d73 ]
Add a check to ensure only one scan command is active at a time by testing the MT76_HW_SCANNING state.
Fixes: c948b5da6bbe ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips") Signed-off-by: Ming Yen Hsieh mingyen.hsieh@mediatek.com Link: https://patch.msgid.link/20250414013954.1151774-1-mingyen.hsieh@mediatek.com Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/mt7925/mcu.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c index 2396e1795fe17..7ad9e1eaaa8f3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c @@ -2771,6 +2771,9 @@ int mt7925_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif, struct tlv *tlv; int max_len;
+ if (test_bit(MT76_HW_SCANNING, &phy->state)) + return -EBUSY; + max_len = sizeof(*hdr) + sizeof(*req) + sizeof(*ssid) + sizeof(*bssid) + sizeof(*chan_info) + sizeof(*misc) + sizeof(*ie);