From: Charles Han Date: Fri, 25 Oct 2024 07:07:44 +0000 (+0800) Subject: phy: realtek: usb: fix NULL deref in rtk_usb3phy_probe X-Git-Tag: v6.13-rc1~31^2~76 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bf373d2919d98f3d1fe1b19a0304f72fe74386d9;p=thirdparty%2Fkernel%2Flinux.git phy: realtek: usb: fix NULL deref in rtk_usb3phy_probe In rtk_usb3phy_probe() devm_kzalloc() may return NULL but this returned value is not checked. Fixes: adda6e82a7de ("phy: realtek: usb: Add driver for the Realtek SoC USB 3.0 PHY") Signed-off-by: Charles Han Link: https://lore.kernel.org/r/20241025070744.149070-1-hanchunchao@inspur.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/phy/realtek/phy-rtk-usb3.c b/drivers/phy/realtek/phy-rtk-usb3.c index dfcf4b921bba6..96af483e5444b 100644 --- a/drivers/phy/realtek/phy-rtk-usb3.c +++ b/drivers/phy/realtek/phy-rtk-usb3.c @@ -577,6 +577,8 @@ static int rtk_usb3phy_probe(struct platform_device *pdev) rtk_phy->dev = &pdev->dev; rtk_phy->phy_cfg = devm_kzalloc(dev, sizeof(*phy_cfg), GFP_KERNEL); + if (!rtk_phy->phy_cfg) + return -ENOMEM; memcpy(rtk_phy->phy_cfg, phy_cfg, sizeof(*phy_cfg));