It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value. Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> --- drivers/usb/host/ohci-tmio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index 08ec2ab0d95a..68e769b82061 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -202,6 +202,9 @@ static int ohci_hcd_tmio_drv_probe(struct platform_device *dev) if (!cell) return -EINVAL; + if (!regs || !config || !sram) + return -EINVAL; + if (irq < 0) return irq; -- 2.25.1
