elput: Don't add devices which we are not going to use

If an input device is not a pointer, keyboard, or touch device then we
are not going to be handling events for it, so do not create a new
Elput device for it.

@fix

Signed-off-by: Chris Michael <cp.michael@samsung.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/lib/elput/elput_evdev.c b/src/lib/elput/elput_evdev.c
index 8bbb5917b5..c7698538c3 100644
--- a/src/lib/elput/elput_evdev.c
+++ b/src/lib/elput/elput_evdev.c
@@ -1239,6 +1239,7 @@ _evdev_device_create(Elput_Seat *seat, struct libinput_device *device)
 
    edev->seat = seat;
    edev->device = device;
+   edev->caps = 0;
 
    if ((libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_KEYBOARD)) &&
        (libinput_device_keyboard_has_key(device, KEY_ENTER)))
@@ -1260,6 +1261,11 @@ _evdev_device_create(Elput_Seat *seat, struct libinput_device *device)
         edev->caps |= EVDEV_SEAT_TOUCH;
      }
 
+   if (!((edev->caps & EVDEV_SEAT_KEYBOARD) ||
+         (edev->caps & EVDEV_SEAT_POINTER) ||
+         (edev->caps & EVDEV_SEAT_TOUCH)))
+     goto err;
+
    libinput_device_set_user_data(device, edev);
    libinput_device_ref(edev->device);
 
@@ -1277,6 +1283,10 @@ _evdev_device_create(Elput_Seat *seat, struct libinput_device *device)
     * elput would handle outputs, and make calls to calibrate */
 
    return edev;
+
+err:
+   free(edev);
+   return NULL;
 }
 
 void