Merge branches 'uaccess.alpha', 'uaccess.arc', 'uaccess.arm', 'uaccess.arm64', 'uacce...

[mirror_ubuntu-artful-kernel.git] / drivers / input / tablet / hanwang.c

diff --git a/drivers/input/tablet/hanwang.c b/drivers/input/tablet/hanwang.c
index cd852059b99e81899f8436f31071c929eb470b83..df4bea96d7ed7d10e66478c929feb1094ff5f09c 100644 (file)
--- a/drivers/input/tablet/hanwang.c
+++ b/drivers/input/tablet/hanwang.c
@@ -340,6 +340,9 @@ static int hanwang_probe(struct usb_interface *intf, const struct usb_device_id
        int error;
        int i;
 
+       if (intf->cur_altsetting->desc.bNumEndpoints < 1)
+               return -ENODEV;
+
        hanwang = kzalloc(sizeof(struct hanwang), GFP_KERNEL);
        input_dev = input_allocate_device();
        if (!hanwang || !input_dev) {