netdev - [PATCH net 1/1] net: usb: qmi_wwan: fix memory leak for not ip packets

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Message-Id: <20240801135512.296897-1-dnlplm@gmail.com>
Date: Thu,  1 Aug 2024 15:55:12 +0200
From: Daniele Palmas <dnlplm@...il.com>
To: Bjørn Mork <bjorn@...k.no>,
	"David S . Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>
Cc: netdev@...r.kernel.org,
	linux-usb@...r.kernel.org,
	Daniele Palmas <dnlplm@...il.com>
Subject: [PATCH net 1/1] net: usb: qmi_wwan: fix memory leak for not ip packets

Free the unused skb when not ip packets arrive.

Fixes: c6adf77953bc ("net: usb: qmi_wwan: add qmap mux protocol support")
Signed-off-by: Daniele Palmas <dnlplm@...il.com>
---
 drivers/net/usb/qmi_wwan.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 386d62769ded..cfda32047cff 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -201,6 +201,7 @@ static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 			break;
 		default:
 			/* not ip - do not know what to do */
+			kfree_skb(skbn);
 			goto skip;
 		}
 
-- 
2.37.1