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wifi: mt76: mt7925: prevent multiple scan commands

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[ 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: c948b5da6b ("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>
This commit is contained in:
Ming Yen Hsieh
2025-04-14 09:39:52 +08:00
committed by Greg Kroah-Hartman
parent 790d05cde3
commit 17e939897e
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
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@@ -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);