From: Ming Yen Hsieh Date: Mon, 14 Apr 2025 01:39:52 +0000 (+0800) Subject: wifi: mt76: mt7925: prevent multiple scan commands X-Git-Tag: v6.16-rc1~132^2~46^2^2~14 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=122f270aca2c86d7de264ab67161c845e0691d73;p=thirdparty%2Fkernel%2Flinux.git wifi: mt76: mt7925: prevent multiple scan commands 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 Link: https://patch.msgid.link/20250414013954.1151774-1-mingyen.hsieh@mediatek.com Signed-off-by: Felix Fietkau --- diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c index eed2dd56b5d0f..c45eec44d8599 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c @@ -2840,6 +2840,9 @@ 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) * MT7925_RNR_SCAN_MAX_BSSIDS + sizeof(*chan_info) + sizeof(*misc) + sizeof(*ie);