Commit bf373d29 authored by Charles Han's avatar Charles Han Committed by Greg Kroah-Hartman
Browse files

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: adda6e82 ("phy: realtek: usb: Add driver for the Realtek SoC USB 3.0 PHY")
Signed-off-by: default avatarCharles Han <hanchunchao@inspur.com>
Link: https://lore.kernel.org/r/20241025070744.149070-1-hanchunchao@inspur.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 04e3e918

drivers/phy/realtek/phy-rtk-usb3.c

+2 −0
Original line number Diff line number Diff line
@@ -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));