netdev - Re: [PATCH v2 1/2] i40e: Add helper for VF inited state check with timeout

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20230712123613.20a98732@kernel.org>
Date: Wed, 12 Jul 2023 12:36:13 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Ivan Vecera <ivecera@...hat.com>
Cc: netdev@...r.kernel.org, Simon Horman <simon.horman@...igine.com>, Rafal
 Romanowski <rafal.romanowski@...el.com>, Leon Romanovsky <leon@...nel.org>,
 Ma Yuying <yuma@...hat.com>, Jesse Brandeburg <jesse.brandeburg@...el.com>,
 Tony Nguyen <anthony.l.nguyen@...el.com>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni
 <pabeni@...hat.com>, intel-wired-lan@...ts.osuosl.org (moderated list:INTEL
 ETHERNET DRIVERS), linux-kernel@...r.kernel.org (open list)
Subject: Re: [PATCH v2 1/2] i40e: Add helper for VF inited state check with
 timeout

On Wed, 12 Jul 2023 15:32:46 +0200 Ivan Vecera wrote:
> +	for (i = 0; i < 15; i++)
> +		if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states))
> +			msleep(20);
> +
> +	if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
> +		dev_err(&vf->pf->pdev->dev,
> +			"VF %d still in reset. Try again.\n", vf->vf_id);
> +		return false;

I like my loop more but if you want to have the msleep() indented just
add an else { return true; } branch. Take advantage of the fact this is
a function, now, and you can just return.