Merge tag 'xfs-4.12-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

[karo-tx-linux.git] / drivers / watchdog / pcwd_usb.c

diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c
index 99ebf6ea3de648d881de4ef1f609d1f4d29f5ca0..5615f40139246a19de1be39df6f6ca60b7a705b9 100644 (file)
--- a/drivers/watchdog/pcwd_usb.c
+++ b/drivers/watchdog/pcwd_usb.c
@@ -630,6 +630,9 @@ static int usb_pcwd_probe(struct usb_interface *interface,
                return -ENODEV;
        }
 
+       if (iface_desc->desc.bNumEndpoints < 1)
+               return -ENODEV;
+
        /* check out the endpoint: it has to be Interrupt & IN */
        endpoint = &iface_desc->endpoint[0].desc;