linux-kernel - Re: [PATCH net v4] net/smc: Reset conn->lgr when link group registration fails

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Message-ID: <96521e26-7d51-7451-3cf4-cca37da9dc24@linux.ibm.com>
Date:   Thu, 6 Jan 2022 11:00:12 +0100
From:   Karsten Graul <kgraul@...ux.ibm.com>
To:     Wen Gu <guwen@...ux.alibaba.com>, davem@...emloft.net,
        kuba@...nel.org
Cc:     linux-s390@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v4] net/smc: Reset conn->lgr when link group
 registration fails

On 06/01/2022 07:44, Wen Gu wrote:
> @@ -630,10 +630,11 @@ static int smc_connect_decline_fallback(struct smc_sock *smc, int reason_code,
>  
>  static void smc_conn_abort(struct smc_sock *smc, int local_first)
>  {
> +	struct smc_connection *conn = &smc->conn;
> +
> +	smc_conn_free(conn);
>  	if (local_first)
> -		smc_lgr_cleanup_early(&smc->conn);
> -	else
> -		smc_conn_free(&smc->conn);
> +		smc_lgr_cleanup_early(conn->lgr);
>  }

Looks like I missed a prereq patch here, but wo'nt conn->lgr be set to NULL
after smc_conn_free() called smc_lgr_unregister_conn()?