Commit 89d99aea authored by LABBE Corentin's avatar LABBE Corentin Committed by Felipe Balbi
Browse files

usb: phy: phy-mxs-usb: fix a possible NULL dereference 



of_match_device could return NULL, and so cause a NULL pointer
dereference later.

Signed-off-by: default avatarLABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent b9e51b2b

drivers/usb/phy/phy-mxs-usb.c

+5 −2
Original line number Diff line number Diff line
@@ -452,10 +452,13 @@ static int mxs_phy_probe(struct platform_device *pdev) 
	struct clk *clk;

	struct mxs_phy *mxs_phy;

	int ret;

	const struct of_device_id *of_id =

			of_match_device(mxs_phy_dt_ids, &pdev->dev);

	const struct of_device_id *of_id;

	struct device_node *np = pdev->dev.of_node;



	of_id = of_match_device(mxs_phy_dt_ids, &pdev->dev);

	if (!of_id)

		return -ENODEV;



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	base = devm_ioremap_resource(&pdev->dev, res);

	if (IS_ERR(base))

CRA Git | Maintained and supported by SUSTech CRA and CCSE