Re: [PATCH net] qmi_wwan: Add missing skb_reset_mac_header-call

From: BjÃrn Mork
Date: Tue Nov 07 2017 - 08:03:05 EST


Kristian Evensen <kristian.evensen@xxxxxxxxx> writes:

> When we receive a packet on a QMI device in raw IP mode, we should call
> skb_reset_mac_header() to ensure that skb->mac_header contains a valid
> offset in the packet. While it shouldn't really matter, the packets have
> no MAC header and the interface is configured as-such, it seems certain
> parts of the network stack expects a "good" value in skb->mac_header.

Thanks. Yes, I see that the tun driver also does this.

Acked-by: BjÃrn Mork <bjorn@xxxxxxx>

And his should probably go to stable as well? with a

Fixes: 32f7adf633b9 ("net: qmi_wwan: support "raw IP" mode")