diff options
| author |   Ming Yen Hsieh <mingyen.hsieh@mediatek.com> | 2025-04-14 09:39:52 +0800 |
|---|---|---|
| committer |   Felix Fietkau <nbd@nbd.name> | 2025-05-22 12:57:36 +0200 |
| commit | 122f270aca2c86d7de264ab67161c845e0691d73 (patch) | |
| tree | 3186fac8fbb35e496bd3a357c2dd14f94d89b6b7 | |
| parent | wifi: mt76: mt7915: Fix null-ptr-deref in mt7915_mmio_wed_init() (diff) | |
| download | wireguard-linux-122f270aca2c86d7de264ab67161c845e0691d73.tar.xz wireguard-linux-122f270aca2c86d7de264ab67161c845e0691d73.zip | |
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 <mingyen.hsieh@mediatek.com>
Link: https://patch.msgid.link/20250414013954.1151774-1-mingyen.hsieh@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7925/mcu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c index eed2dd56b5d0..c45eec44d859 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); |