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Message-ID: <ZaUWztbMPhbApPIH@shell.armlinux.org.uk>
Date: Mon, 15 Jan 2024 11:28:14 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Kunwu Chan <chentao@...inos.cn>
Cc: andrew@...n.ch, hkallweit1@...il.com, davem@...emloft.net,
edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
f.fainelli@...il.com, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v2] net: phy: Fix possible NULL pointer dereference
issues caused by phy_attached_info_irq
On Mon, Jan 15, 2024 at 04:50:18PM +0800, Kunwu Chan wrote:
> diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
> index ed0b4ccaa6a6..819574a06036 100644
> --- a/drivers/net/phy/phylink.c
> +++ b/drivers/net/phy/phylink.c
> @@ -1886,7 +1886,7 @@ static int phylink_bringup_phy(struct phylink *pl, struct phy_device *phy,
> irq_str = phy_attached_info_irq(phy);
> phylink_info(pl,
> "PHY [%s] driver [%s] (irq=%s)\n",
> - dev_name(&phy->mdio.dev), phy->drv->name, irq_str);
> + dev_name(&phy->mdio.dev), phy->drv->name, irq_str ? irq_str : "");
dev_name(&phy->mdio.dev), phy->drv->name,
irq_str ? irq_str : "");
please.
Also, please hold off posting v3 until at least 24 hours have passed.
Thanks.
--
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