linux-kernel - Re: [PATCH net-next v2] net: phy: aquantia: fix return value check in aqr107_config

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

Message-ID: <4aac8cd8-57ba-4757-af9d-9ac99ec8ef9b@nvidia.com>
Date: Tue, 15 Oct 2024 12:08:36 +0100
From: Jon Hunter <jonathanh@...dia.com>
To: Daniel Golle <daniel@...rotopia.org>, Hans-Frieder Vogt
 <hfdevel@....net>, Andrew Lunn <andrew@...n.ch>,
 Heiner Kallweit <hkallweit1@...il.com>, Russell King
 <linux@...linux.org.uk>, "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Christian Marangi <ansuelsmth@...il.com>,
 Russell King <rmk+kernel@...linux.org.uk>,
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
 Abhishek Chauhan <quic_abchauha@...cinc.com>,
 Robert Marko <robimarko@...il.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org,
 "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH net-next v2] net: phy: aquantia: fix return value check in
 aqr107_config_mdi()

On 13/10/2024 14:16, Daniel Golle wrote:
> of_property_read_u32() returns -EINVAL in case the property cannot be
> found rather than -ENOENT. Fix the check to not abort probing in case
> of the property being missing, and also in case CONFIG_OF is not set
> which will result in -ENOSYS.
> 
> Fixes: a2e1ba275eae ("net: phy: aquantia: allow forcing order of MDI pairs")
> Reported-by: Jon Hunter <jonathanh@...dia.com>
> Closes: https://lore.kernel.org/all/114b4c03-5d16-42ed-945d-cf78eabea12b@nvidia.com/
> Suggested-by: Hans-Frieder Vogt <hfdevel@....net>
> Signed-off-by: Daniel Golle <daniel@...rotopia.org>
> Reviewed-by: Andrew Lunn <andrew@...n.ch>
> ---
>   drivers/net/phy/aquantia/aquantia_main.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/phy/aquantia/aquantia_main.c b/drivers/net/phy/aquantia/aquantia_main.c
> index 4fe757cd7dc7..7d27f080a343 100644
> --- a/drivers/net/phy/aquantia/aquantia_main.c
> +++ b/drivers/net/phy/aquantia/aquantia_main.c
> @@ -513,7 +513,7 @@ static int aqr107_config_mdi(struct phy_device *phydev)
>   	ret = of_property_read_u32(np, "marvell,mdi-cfg-order", &mdi_conf);
>   
>   	/* Do nothing in case property "marvell,mdi-cfg-order" is not present */
> -	if (ret == -ENOENT)
> +	if (ret == -EINVAL || ret == -ENOSYS)
>   		return 0;
>   
>   	if (ret)

Works for me!

Reviewed-by: Jon Hunter <jonathanh@...dia.com>
Tested-by: Jon Hunter <jonathanh@...dia.com>

Thanks
Jon

-- 
nvpublic