From 79717c4eeeae9dec894794fbe8af72f08f03ebdd Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Mon, 13 Jun 2022 14:03:28 +0200
Subject: [PATCH] mt76: mt7615: do not update pm stats in case of error
Git-commit: 79717c4eeeae9dec894794fbe8af72f08f03ebdd
Patch-mainline: v6.0-rc1
References: git-fixes
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 b89d21f77e5e..194e9ccd4a73 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -338,10 +338,11 @@ 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);
--
2.35.3