---

yaml
---
r: 362192
b: refs/heads/master
c: 30b2953
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5b4617d82020addf244c8c5206270e49ef9933d6
+refs/heads/master: 30b29537bcba070b3df8d7d24c1975676a1a6a4f

trunk/drivers/media/radio/radio-ma901.c

@@ -347,9 +347,20 @@ static void usb_ma901radio_release(struct v4l2_device *v4l2_dev)
 static int usb_ma901radio_probe(struct usb_interface *intf,
 				const struct usb_device_id *id)
 {
+	struct usb_device *dev = interface_to_usbdev(intf);
 	struct ma901radio_device *radio;
 	int retval = 0;
 
+	/* Masterkit MA901 usb radio has the same USB ID as many others
+	 * Atmel V-USB devices. Let's make additional checks to be sure
+	 * that this is our device.
+	 */
+
+	if (dev->product && dev->manufacturer &&
+		(strncmp(dev->product, "MA901", 5) != 0
+		|| strncmp(dev->manufacturer, "www.masterkit.ru", 16) != 0))
+		return -ENODEV;
+
 	radio = kzalloc(sizeof(struct ma901radio_device), GFP_KERNEL);
 	if (!radio) {
 		dev_err(&intf->dev, "kzalloc for ma901radio_device failed\n");