netdev - Re: [PATCH net] net: thunderx: set tso_hdrs pointer to NULL in nicvf_free_snd

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Message-ID: <CAJ0CqmVGapS3m8XZZ490QctsRvCo5PnfbjvZzoK4x-MYKcH8eA@mail.gmail.com>
Date:   Sat, 24 Nov 2018 09:35:15 +0100
From:   Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     Network Development <netdev@...r.kernel.org>,
        Sunil.Goutham@...ium.com
Subject: Re: [PATCH net] net: thunderx: set tso_hdrs pointer to NULL in nicvf_free_snd_queue

> From: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
> Date: Fri, 23 Nov 2018 18:28:01 +0100
>
> > Reset snd_queue tso_hdrs pointer to NULL in nicvf_free_snd_queue routine
> > since it is used to check if tso dma descriptor queue has been previously
> > allocated. The issue can be triggered with the following reproducer:
> >
> > $ip link set dev enP2p1s0v0 xdpdrv obj xdp_dummy.o
> > $ip link set dev enP2p1s0v0 xdpdrv off
>  ...
> > where xdp_dummy.c is a simple bpf program that forwards the incoming
> > frames to the network stack (available here:
> > https://github.com/altoor/xdp_walkthrough_examples/blob/master/sample_1/xdp_dummy.c)
> >
> > Fixes: 05c773f52b96 ("net: thunderx: Add basic XDP support")
> > Fixes: 4863dea3fab0 ("net: Adding support for Cavium ThunderX network
> > controller")
> >
> > Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
>
> Applied and queued up for -stable, but please in the future:
>
> 1) Do not break up long "Fixes: " tag lines, it must be keep as a single
>    uninterrupted line for grep'ability etc.
>
> 2) Do not put an empty line between "Fixes: " and other tags.  All tags
>    are equal, and appear in a straight uninterrupted sequence of lines.
>

Hi David,

ack, will do next time.

Regards,
Lorenzo

> Thank you.