1 files changed, 14 insertions, 3 deletions

diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 69be77118884..a2a82351a42f 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -1050,13 +1050,23 @@ static void usbtouch_free_buffers(struct usb_device *udev,
         kfree(usbtouch->buffer);
 }
 
+static struct usb_endpoint_descriptor *
+usbtouch_get_input_endpoint(struct usb_host_interface *interface)
+{
+        int i;
+
+        for (i = 0; i < interface->desc.bNumEndpoints; i++)
+                if (usb_endpoint_dir_in(&interface->endpoint[i].desc))
+                        return &interface->endpoint[i].desc;
+
+        return NULL;
+}
 
 static int usbtouch_probe(struct usb_interface *intf,
                           const struct usb_device_id *id)
 {
         struct usbtouch_usb *usbtouch;
         struct input_dev *input_dev;
-        struct usb_host_interface *interface;
         struct usb_endpoint_descriptor *endpoint;
         struct usb_device *udev = interface_to_usbdev(intf);
         struct usbtouch_device_info *type;
@@ -1066,8 +1076,9 @@ static int usbtouch_probe(struct usb_interface *intf,
         if (id->driver_info == DEVTYPE_IGNORE)
                 return -ENODEV;
 
-        interface = intf->cur_altsetting;
-        endpoint = &interface->endpoint[0].desc;
+        endpoint = usbtouch_get_input_endpoint(intf->cur_altsetting);
+        if (!endpoint)
+                return -ENXIO;
 
         usbtouch = kzalloc(sizeof(struct usbtouch_usb), GFP_KERNEL);
         input_dev = input_allocate_device();