Input: iforce - add sanity checks

The endpoint type should also be checked before a device is accepted. Reported-by: [email protected] Signed-off-by: Oliver Neukum <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
jix · Aug 6, 2019 · 849f5ae · 849f5ae
1 parent 37ad2e3
commit 849f5ae
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c
@@ -201,7 +201,12 @@ static int iforce_usb_probe(struct usb_interface *intf,
 		return -ENODEV;
 
 	epirq = &interface->endpoint[0].desc;
+	if (!usb_endpoint_is_int_in(epirq))
+		return -ENODEV;
+
 	epout = &interface->endpoint[1].desc;
+	if (!usb_endpoint_is_int_out(epout))
+		return -ENODEV;
 
 	iforce_usb = kzalloc(sizeof(*iforce_usb), GFP_KERNEL);
 	if (!iforce_usb)