From 7ab78b937fc1b98a1e47a63b2cc1f8451cd7c5fa Mon Sep 17 00:00:00 2001
From: Simon Kelley <simon@thekelleys.org.uk>
Date: Thu, 11 May 2017 20:33:21 +0100
Subject: [PATCH] Fix c7be0164ce6ae89d6f2f0ffea14e2612418dd5da

---
 src/dhcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dhcp.c b/src/dhcp.c
index 232e344..f995f0e 100644
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -224,7 +224,7 @@ void dhcp_packet(time_t now, int pxe_fd)
 #endif
 	
   if (!indextoname(daemon->dhcpfd, iface_index, ifr.ifr_name) ||
-      ioctl(daemon->dhcpfd, SIOCGIFFLAGS, &ifr) != -1)
+      ioctl(daemon->dhcpfd, SIOCGIFFLAGS, &ifr) != 0)
     return;
   
   mess = (struct dhcp_packet *)daemon->dhcp_packet.iov_base;
-- 
2.9.3