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mt76: mt7615: fix potential memory leak in mcu message handler

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Fix potential memory leak in mcu message handler on error condition.

Fixes: 0e6a29e477 ("mt76: mt7615: add support to read temperature from mcu")
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Sean Wang 2020-07-08 03:16:48 +08:00 committed by Felix Fietkau
parent c876039e95
commit 9248c08c3f
1 changed files with 5 additions and 2 deletions
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7
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
View file

@ -183,8 +183,10 @@ mt7615_mcu_parse_response(struct mt7615_dev *dev, int cmd,
struct mt7615_mcu_rxd *rxd = (struct mt7615_mcu_rxd *)skb->data;
int ret = 0;
if (seq != rxd->seq)
return -EAGAIN;
if (seq != rxd->seq) {
ret = -EAGAIN;
goto out;
}
switch (cmd) {
case MCU_CMD_PATCH_SEM_CONTROL:
@ -215,6 +217,7 @@ mt7615_mcu_parse_response(struct mt7615_dev *dev, int cmd,
default:
break;
}
out:
dev_kfree_skb(skb);
return ret;