Don't unref a null gobjec

This path may be triggered if parent is NULL, calling g_object_unref on it will trigger a warning. This is unlikely to be triggered outside a custom test setup.
linuxwacom · Mar 18, 2024 · 2d0abc4 · 2d0abc4
1 parent 1098801
commit 2d0abc4
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/libwacom/libwacom.c b/libwacom/libwacom.c
@@ -249,7 +249,8 @@ get_device_info (const char            *path,
 		parent = g_udev_device_get_parent(device);
 		if (!parent || !is_tablet_or_touchpad(parent)) {
 			libwacom_error_set(error, WERROR_INVALID_PATH, "Device '%s' is not a tablet", path);
-			g_object_unref (parent);
+			if (parent)
+				g_object_unref (parent);
 			goto out;
 		}
 		g_object_unref (parent);