diff options
-rw-r--r-- | drivers/usb/misc/idmouse.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c index 4e38683c653c..6d4e75785710 100644 --- a/drivers/usb/misc/idmouse.c +++ b/drivers/usb/misc/idmouse.c @@ -346,6 +346,9 @@ static int idmouse_probe(struct usb_interface *interface, if (iface_desc->desc.bInterfaceClass != 0x0A) return -ENODEV; + if (iface_desc->desc.bNumEndpoints < 1) + return -ENODEV; + /* allocate memory for our device state and initialize it */ dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (dev == NULL) |