[PATCH 5.19 0476/1157] mt76: mt7615: do not update pm stats in case of error

Greg Kroah-Hartman
2022-08-16T04:30:31Z

From: Lorenzo Bianconi <lorenzo@kernel.org>

[ 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>
---
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 8fb6c9d735dc..d2dd1260382c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -350,10 +350,11 @@ 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);

--
2.35.1