From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Tue, 17 May 2022 16:37:07 +0000 (+0200)
Subject: mt76: mt76x02u: fix possible memory leak in __mt76x02u_mcu_send_msg
X-Git-Tag: block-6.0-2022-08-12~31^2~64^2~53^2~76
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=cffd93411575afd987788e2ec3cb8eaff70f0215;p=linux-2.6-block.git

mt76: mt76x02u: fix possible memory leak in __mt76x02u_mcu_send_msg

Free the skb if mt76u_bulk_msg fails in __mt76x02u_mcu_send_msg routine.

Fixes: 4c89ff2c74e39 ("mt76: split __mt76u_mcu_send_msg and mt76u_mcu_send_msg routines")
Co-developed-by: Gergo Koteles <soyer@irl.hu>
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c
index 2953df7d8388..c6c16fe8ee85 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c
@@ -108,7 +108,7 @@ __mt76x02u_mcu_send_msg(struct mt76_dev *dev, struct sk_buff *skb,
 	ret = mt76u_bulk_msg(dev, skb->data, skb->len, NULL, 500,
 			     MT_EP_OUT_INBAND_CMD);
 	if (ret)
-		return ret;
+		goto out;
 
 	if (wait_resp)
 		ret = mt76x02u_mcu_wait_resp(dev, seq);