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wifi: mt76: mt7996: fix potential memory leakage when reading chip temperature

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Without this commit, reading chip temperature will cause memory leakage.

Fixes: 6879b2e941 ("wifi: mt76: mt7996: add thermal sensor device support")
Reported-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Howard Hsu <howard-yh.hsu@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Howard Hsu 2024-03-20 19:09:14 +08:00 committed by Felix Fietkau
parent a7908d5b61
commit 474b9412f3
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
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@ -3750,6 +3750,7 @@ int mt7996_mcu_get_temperature(struct mt7996_phy *phy)
} __packed * res;
struct sk_buff *skb;
int ret;
u32 temp;
ret = mt76_mcu_send_and_get_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
&req, sizeof(req), true, &skb);
@ -3757,8 +3758,10 @@ int mt7996_mcu_get_temperature(struct mt7996_phy *phy)
return ret;
res = (void *)skb->data;
temp = le32_to_cpu(res->temperature);
dev_kfree_skb(skb);
return le32_to_cpu(res->temperature);
return temp;
}
int mt7996_mcu_set_thermal_throttling(struct mt7996_phy *phy, u8 state)