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Input: yealink - validate number of endpoints before using them
[pandora-kernel.git]
/
drivers
/
input
/
misc
/
yealink.c
diff --git
a/drivers/input/misc/yealink.c
b/drivers/input/misc/yealink.c
index
41201c6
..
2b8e430
100644
(file)
--- a/
drivers/input/misc/yealink.c
+++ b/
drivers/input/misc/yealink.c
@@
-867,6
+867,10
@@
static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
int ret, pipe, i;
interface = intf->cur_altsetting;
+
+ if (interface->desc.bNumEndpoints < 1)
+ return -ENODEV;
+
endpoint = &interface->endpoint[0].desc;
if (!usb_endpoint_is_int_in(endpoint))
return -ENODEV;