| Message ID | 20240821131042.1464529-1-make24@iscas.ac.cn |
|---|---|
| State | New |
| Headers | show |
| Series | phy: qualcomm: Check NULL ptr on lvts_data in qcom_ipq806x_usb_phy_probe() | expand |
diff --git a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c index 06392ed7c91b..9b9fd9c1b1f7 100644 --- a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c @@ -492,6 +492,8 @@ static int qcom_ipq806x_usb_phy_probe(struct platform_device *pdev) return -ENOMEM; data = of_device_get_match_data(&pdev->dev); + if (!data) + return -ENODEV; phy_dwc3->dev = &pdev->dev;
of_device_get_match_data() can return NULL if of_match_device failed, and the pointer 'data' was dereferenced without checking against NULL. Add checking of pointer 'data' in qcom_ipq806x_usb_phy_probe(). Cc: stable@vger.kernel.org Fixes: ef19b117b834 ("phy: qualcomm: add qcom ipq806x dwc usb phy driver") Signed-off-by: Ma Ke <make24@iscas.ac.cn> --- drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c | 2 ++ 1 file changed, 2 insertions(+)