netdev - RE: [PATCH net 1/1] tipc: fix kernel panic when enabling bearer

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Date:   Fri, 4 Mar 2022 02:20:29 +0000
From:   Tung Quang Nguyen <tung.q.nguyen@...tech.com.au>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "tipc-discussion@...ts.sourceforge.net" 
        <tipc-discussion@...ts.sourceforge.net>,
        "davem@...emloft.net" <davem@...emloft.net>,
        Shuang Li <shuali@...hat.com>, Jon Maloy <jmaloy@...hat.com>
Subject: RE: [PATCH net 1/1] tipc: fix kernel panic when enabling bearer


On Thu,  3 Mar 2022 04:57:17 +0000 Tung Nguyen wrote:
> diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
> index 473a790f5894..63460183440d 100644
> --- a/net/tipc/bearer.c
> +++ b/net/tipc/bearer.c
> @@ -252,7 +252,7 @@ static int tipc_enable_bearer(struct net *net, const char *name,
>  	int with_this_prio = 1;
>  	struct tipc_bearer *b;
>  	struct tipc_media *m;
> -	struct sk_buff *skb;
> +	struct sk_buff *skb = NULL;
>  	int bearer_id = 0;
>  	int res = -EINVAL;
>  	char *errstr = "";

This chunk looks unrelated and unnecessary. The had previously trusted
skb to be initialized by tipc_disc_create().
[Tung]: OK. I will remove it in v2.