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Date:   Fri, 6 Dec 2019 15:56:19 +0100
From:   Guillaume Nault <gnault@...hat.com>
To:     Aditya Pakki <pakki001@....edu>
Cc:     klju@....edu, Michal Ostrowski <mostrows@...thlink.net>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pppoe: remove redundant BUG_ON() check in pppoe_pernet

On Thu, Dec 05, 2019 at 05:03:42PM -0600, Aditya Pakki wrote:
> Passing NULL to pppoe_pernet causes a crash via BUG_ON.
> Dereferencing net in net_generici() also has the same effect. This patch
> removes the redundant BUG_ON check on the same parameter.
> 
> Signed-off-by: Aditya Pakki <pakki001@....edu>
> ---
>  drivers/net/ppp/pppoe.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
> index a44dd3c8af63..d760a36db28c 100644
> --- a/drivers/net/ppp/pppoe.c
> +++ b/drivers/net/ppp/pppoe.c
> @@ -119,8 +119,6 @@ static inline bool stage_session(__be16 sid)
>  
>  static inline struct pppoe_net *pppoe_pernet(struct net *net)
>  {
> -	BUG_ON(!net);
> -
>  	return net_generic(net, pppoe_net_id);
>  }
>  
Looks like a net-next patch, but net-next is currently closed (take a
look Documentation/networking/netdev-FAQ.rst for details).

You can add my ack when you repost:
Acked-by: Guillaume Nault <gnault@...hat.com>

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