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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: 6879b2e94172 ("wifi: mt76: mt7996: add thermal sensor device support")
Reported-by: Ryder Lee <[email protected]>
Signed-off-by: Howard Hsu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Howard Hsu
2024-04-03 12:58:27 +02:00
committed by Felix Fietkau
parent f19035fe0b
commit 424e9df466
1 changed files with 4 additions and 1 deletions
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mt7996/mcu.c
+4 -1
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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)