netdev - Re: [PATCH net-next 2/3] amd-xgbe: Return proper error code for get_phy

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Date: Thu, 17 Aug 2023 14:28:51 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Ruan Jinjie <ruanjinjie@...wei.com>
Cc: Shyam-sundar.S-k@....com, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, yisen.zhuang@...wei.com,
	salil.mehta@...wei.com, iyappan@...amperecomputing.com,
	keyur@...amperecomputing.com, quan@...amperecomputing.com,
	hkallweit1@...il.com, linux@...linux.org.uk, yankejian@...wei.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next 2/3] amd-xgbe: Return proper error code for
 get_phy_device()

On Thu, Aug 17, 2023 at 03:39:59PM +0800, Ruan Jinjie wrote:
> get_phy_device() returns -EIO on bus access error and -ENOMEM
> on kzalloc failure in addition to -ENODEV, just return -ENODEV is not
> sensible, use PTR_ERR(phydev) to fix the issue.

Rather than say 'not sensible', it would be better to say 'Best
practice is to return these error codes'.

Reviewed-by: Andrew Lunn <andrew@...n.ch>


    Andrew

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