From: Roy Marples <roy@marples.name>
Date: Sun, 12 Nov 2023 11:30:01 +0000 (+0000)
Subject: control: Fix hangup for non privsep builds
X-Git-Tag: v10.0.6~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=584b52db330a96471ff9301b85ce47ebb065a8a4;p=thirdparty%2Fdhcpcd.git

control: Fix hangup for non privsep builds

Fix related to #262.
---

diff --git a/src/control.c b/src/control.c
index 5325ac35..93041f82 100644
--- 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;
 	}