mt76: mt7615: do not update pm stats in case of error

[ Upstream commit 79717c4eeeae9dec894794fbe8af72f08f03ebdd ]

Do not update pm stats if mt7615_mcu_fw_pmctrl returns an error.

Fixes: abe912ae3cd42 ("mt76: mt7663: add awake and doze time accounting")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 4fed3af..bde65af 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -385,10 +385,11 @@ static int mt7615_mcu_fw_pmctrl(struct mt7615_dev *dev)
        }
 
        mt7622_trigger_hif_int(dev, false);
-
-       pm->stats.last_doze_event = jiffies;
-       pm->stats.awake_time += pm->stats.last_doze_event -
-                               pm->stats.last_wake_event;
+       if (!err) {
+               pm->stats.last_doze_event = jiffies;
+               pm->stats.awake_time += pm->stats.last_doze_event -
+                                       pm->stats.last_wake_event;
+       }
 out:
        mutex_unlock(&pm->mutex);