5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Daniele Palmas <dnlplm@xxxxxxxxx> [ Upstream commit 7ab107544b777c3bd7feb9fe447367d8edd5b202 ] 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@xxxxxxxxx> Acked-by: Bjørn Mork <bjorn@xxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- 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 17aa52ed892b5..3e219cf4dd851 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -238,6 +238,7 @@ 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; } -- 2.43.0