USB: iowarrior: fix NULL-deref in write (e082896b) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/usb/misc/iowarrior.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -798,6 +798,14 @@ static int iowarrior_probe(struct usb_interface *interface,
		goto error;
		}

		if (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56) {
		if (!dev->int_out_endpoint) {
		dev_err(&interface->dev, "no interrupt-out endpoint found\n");
		retval = -ENODEV;
		goto error;
		}
		}

		/* we have to check the report_size often, so remember it in the endianness suitable for our machine */
		dev->report_size = usb_endpoint_maxp(dev->int_in_endpoint);
		if ((dev->interface->cur_altsetting->desc.bInterfaceNumber == 0) &&