mt76: mt7921: check mcu returned values in mt7921_start

Properly check returned values from mcu utility routines in
mt7921_start.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index 43e878c6961679b0b383d894491d9356191507fe..043dd77bdbe74326fc430622e4c67542bb69b881 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -173,22 +173,31 @@ static int mt7921_start(struct ieee80211_hw *hw)
 {
        struct mt7921_dev *dev = mt7921_hw_dev(hw);
        struct mt7921_phy *phy = mt7921_hw_phy(hw);
+       int err;
 
        mt7921_mutex_acquire(dev);
 
-       mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, true, false);
-       mt76_connac_mcu_set_channel_domain(phy->mt76);
+       err = mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, true, false);
+       if (err)
+               goto out;
+
+       err = mt76_connac_mcu_set_channel_domain(phy->mt76);
+       if (err)
+               goto out;
+
+       err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH);
+       if (err)
+               goto out;
 
-       mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH);
        mt7921_mac_reset_counters(phy);
        set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
 
        ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
                                     MT7921_WATCHDOG_TIME);
-
+out:
        mt7921_mutex_release(dev);
 
-       return 0;
+       return err;
 }
 
 static void mt7921_stop(struct ieee80211_hw *hw)