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net: wimax/i2400m: fix NULL-deref at probe
[pandora-kernel.git]
/
drivers
/
net
/
wimax
/
i2400m
/
usb.c
diff --git
a/drivers/net/wimax/i2400m/usb.c
b/drivers/net/wimax/i2400m/usb.c
index
6bb7f3c
..
3074833
100644
(file)
--- a/
drivers/net/wimax/i2400m/usb.c
+++ b/
drivers/net/wimax/i2400m/usb.c
@@
-449,6
+449,9
@@
int i2400mu_probe(struct usb_interface *iface,
struct i2400mu *i2400mu;
struct usb_device *usb_dev = interface_to_usbdev(iface);
+ if (iface->cur_altsetting->desc.bNumEndpoints < 4)
+ return -ENODEV;
+
if (usb_dev->speed != USB_SPEED_HIGH)
dev_err(dev, "device not connected as high speed\n");