Commit a2b30bd4 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
Browse files

mt76: mt7615: check MT76_STATE_PM flag before accessing the device 



Double-check if the device is in low-power state before accessing
registermap in mt7615_sta_rate_tbl_update() and in
mt7615_led_set_config()

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 1eae3fb9

drivers/net/wireless/mediatek/mt76/mt7615/main.c

+4 −2
Original line number Diff line number Diff line
@@ -664,8 +664,10 @@ static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw, 
			break;

	}

	msta->n_rates = i;

	if (!test_bit(MT76_STATE_PM, &phy->mt76->state)) {

		mt7615_mac_set_rates(phy, msta, NULL, msta->rates);

		msta->rate_probe = false;

	}

	spin_unlock_bh(&dev->mt76.lock);

}

drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c

+4 −0
Original line number Diff line number Diff line
@@ -70,6 +70,10 @@ mt7615_led_set_config(struct led_classdev *led_cdev, 


	mt76 = container_of(led_cdev, struct mt76_dev, led_cdev);

	dev = container_of(mt76, struct mt7615_dev, mt76);



	if (test_bit(MT76_STATE_PM, &mt76->phy.state))

		return;



	val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) |

	      FIELD_PREP(MT_LED_STATUS_OFF, delay_off) |

	      FIELD_PREP(MT_LED_STATUS_ON, delay_on);