UBUNTU: Ubuntu-4.13.0-45.50

[mirror_ubuntu-artful-kernel.git] / drivers / hid / wacom_sys.c

diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 838c1ebfffa9779d6f95128361249bb14deb0f7c..a805ee2989cb3b1ec7d3e686bfeeee46f577a004 100644 (file)
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -668,8 +668,10 @@ static struct wacom_hdev_data *wacom_get_hdev_data(struct hid_device *hdev)
 
        /* Try to find an already-probed interface from the same device */
        list_for_each_entry(data, &wacom_udev_list, list) {
-               if (compare_device_paths(hdev, data->dev, '/'))
+               if (compare_device_paths(hdev, data->dev, '/')) {
+                       kref_get(&data->kref);
                        return data;
+               }
        }
 
        /* Fallback to finding devices that appear to be "siblings" */
@@ -766,6 +768,9 @@ static int wacom_led_control(struct wacom *wacom)
        if (!wacom->led.groups)
                return -ENOTSUPP;
 
+       if (wacom->wacom_wac.features.type == REMOTE)
+               return -ENOTSUPP;
+
        if (wacom->wacom_wac.pid) { /* wireless connected */
                report_id = WAC_CMD_WL_LED_CONTROL;
                buf_size = 13;