Re: [RFC PATCH net-next 1/6] net/smc: support smc release version negotiation in clc handshake

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On Thu, Aug 03, 2023 at 09:24:17PM +0800, Guangguan Wang wrote:

...

Hi Guangguan Wang,

> @@ -1063,7 +1063,7 @@ static int smc_clc_send_confirm_accept(struct smc_sock *smc,
>  				memcpy(clc_v2->r1.eid, eid, SMC_MAX_EID_LEN);
>  			len = SMCR_CLC_ACCEPT_CONFIRM_LEN_V2;
>  			if (first_contact) {
> -				smc_clc_fill_fce(&fce, &len);
> +				smc_clc_fill_fce(&fce, &len, ini->release_ver);

Here ini is dereferenced...


>  				fce.v2_direct = !link->lgr->uses_gateway;
>  				memset(&gle, 0, sizeof(gle));
>  				if (ini && clc->hdr.type == SMC_CLC_CONFIRM) {

... but here it is assumed that ini may be NULL.

This seems inconsistent.

As flagged by Smatch.

...

-- 
pw-bot: changes-requested



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