openwrt/target/linux/generic/pending-4.4/921-use_preinit_as_init.patch

--- a/init/main.c
+++ b/init/main.c
@@ -966,7 +966,8 @@ static int __ref kernel_init(void *unuse
 		panic("Requested init %s failed (error %d).",
 		      execute_command, ret);
 	}
-	if (!try_to_run_init_process("/sbin/init") ||
+	if (!try_to_run_init_process("/etc/preinit") ||
+	    !try_to_run_init_process("/sbin/init") ||
 	    !try_to_run_init_process("/etc/init") ||
 	    !try_to_run_init_process("/bin/init") ||
 	    !try_to_run_init_process("/bin/sh"))