linux-kernel - Re: [PATCH] Octeontx2-af: Fix missing error code in cgx

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Message-ID: <aOzFDncvwZAMhZeA@horms.kernel.org>
Date: Mon, 13 Oct 2025 10:23:26 +0100
From: Simon Horman <horms@...nel.org>
To: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
Cc: Sunil Goutham <sgoutham@...vell.com>,
	Linu Cherian <lcherian@...vell.com>,
	Geetha sowjanya <gakula@...vell.com>,
	Jerin Jacob <jerinj@...vell.com>, hariprasad <hkelam@...vell.com>,
	Subbaraya Sundeep <sbhatta@...vell.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	dan.carpenter@...aro.org, kernel-janitors@...r.kernel.org,
	error27@...il.com
Subject: Re: [PATCH] Octeontx2-af: Fix missing error code in cgx_probe()

On Fri, Oct 10, 2025 at 01:42:39PM -0700, Harshit Mogalapalli wrote:
> When CGX fails mapping to NIX, set the error code to -ENODEV, currently
> err is zero and that is treated as success path.
> 
> Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
> Closes: https://lore.kernel.org/all/aLAdlCg2_Yv7Y-3h@stanley.mountain/
> Fixes: d280233fc866 ("Octeontx2-af: Fix NIX X2P calibration failures")
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
> ---
> This is based on static analysis with smatch and only compile tested.

Thanks,

I agree that Smatch is onto something here.

Reviewed-by: Simon Horman <horms@...nel.org>