https://github.com/NetworkConfiguration/dhcpcd/issues/262
https://github.com/NetworkConfiguration/dhcpcd/commit/584b52db330a96471ff9301b85ce47ebb065a8a4

From 584b52db330a96471ff9301b85ce47ebb065a8a4 Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Sun, 12 Nov 2023 11:30:01 +0000
Subject: [PATCH] control: Fix hangup for non privsep builds

Fix related to #262.
--- a/src/control.c
+++ b/src/control.c
@@ -113,8 +113,9 @@ control_handle_read(struct fd_list *fd)
 	ssize_t bytes;
 
 	bytes = read(fd->fd, buffer, sizeof(buffer) - 1);
-	if (bytes == -1) {
+	if (bytes == -1)
 		logerr(__func__);
+	if (bytes == -1 || bytes == 0) {
 		control_hangup(fd);
 		return;
 	}