}
fd = drm_open_device(device_name);
- if (fd > 0) {
+ if (fd >= 0) {
close(default_fd);
} else {
fd = default_fd;
(struct udev_device *));
UDEV_SYMBOL(struct udev *, udev_unref, (struct udev *));
+ if (dlsym_failed)
+ return NULL;
+
udev = udev_new();
device = udev_device_new_from_fd(udev, fd);
if (device == NULL)