From: Roy Marples <roy@marples.name>
Date: Sat, 20 Feb 2021 16:25:05 +0000 (+0000)
Subject: control: Cannot write with hangup
X-Git-Tag: v10.0.0~98
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a75ffaa08d3e540df8648c253028337342dabe09;p=thirdparty%2Fdhcpcd.git

control: Cannot write with hangup
---

diff --git a/src/control.c b/src/control.c
index 6eb42d13..13602914 100644
--- a/src/control.c
+++ b/src/control.c
@@ -193,11 +193,10 @@ control_handle_data(void *arg, unsigned short events)
 {
 	struct fd_list *fd = arg;
 
-	if (events != ELE_READ && events != ELE_WRITE &&
-	    events != (ELE_READ | ELE_WRITE))
+	if (!(events & (ELE_READ | ELE_WRITE)))
 		logerrx("%s: unexpected event 0x%04x", __func__, events);
 
-	if (events & ELE_WRITE)
+	if (events & ELE_WRITE && !(events & ELE_HANGUP))
 		control_handle_write(fd);
 	if (events & ELE_READ)
 		control_handle_read(fd);