netdev - Re: [PATCH net] net/smc: Fix an error code in smc_lgr

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Date:   Fri, 14 Oct 2022 13:34:17 +0200
From:   Wenjia Zhang <wenjia@...ux.ibm.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>,
        Karsten Graul <kgraul@...ux.ibm.com>
Cc:     Jan Karcher <jaka@...ux.ibm.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, linux-s390@...r.kernel.org,
        netdev@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net] net/smc: Fix an error code in smc_lgr_create()



On 14.10.22 11:34, Dan Carpenter wrote:
> If smc_wr_alloc_lgr_mem() fails then return an error code.  Don't return
> success.
> 
> Fixes: 8799e310fb3f ("net/smc: add v2 support to the work request layer")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
> ---
>   net/smc/smc_core.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
> index e6ee797640b4..c305d8dd23f8 100644
> --- a/net/smc/smc_core.c
> +++ b/net/smc/smc_core.c
> @@ -896,7 +896,8 @@ static int smc_lgr_create(struct smc_sock *smc, struct smc_init_info *ini)
>   		}
>   		memcpy(lgr->pnet_id, ibdev->pnetid[ibport - 1],
>   		       SMC_MAX_PNETID_LEN);
> -		if (smc_wr_alloc_lgr_mem(lgr))
> +		rc = smc_wr_alloc_lgr_mem(lgr);
> +		if (rc)
>   			goto free_wq;
>   		smc_llc_lgr_init(lgr, smc);
>   

Good catch! Thank you for your effort!
Reviewed-by: Wenjia Zhang <wenjia@...ux.ibm.com>