From 828e79472d6e507d1f3ce089a98a30f47f206bac Mon Sep 17 00:00:00 2001
From: arvidn <arvid@libtorrent.org>
Date: Thu, 11 Feb 2016 00:46:28 -0500
Subject: [PATCH] forward port enum_net MTU fix

---
 src/enum_net.cpp | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/enum_net.cpp b/src/enum_net.cpp
index 6a50e5bb1..01bf12341 100644
--- a/src/enum_net.cpp
+++ b/src/enum_net.cpp
@@ -278,7 +278,9 @@ int _System __libsocket_sysctl(int* mib, u_int namelen, void *oldp, size_t *oldl
 		ifreq req;
 		memset(&req, 0, sizeof(req));
 		if_indextoname(rtm->rtm_index, req.ifr_name);
-		if (ioctl(s, siocgifmtu, &req) < 0) return false;
+
+		// ignore errors here. This is best-effort
+		ioctl(s, siocgifmtu, &req);
 		rt_info->mtu = req.ifr_mtu;
 
 		return true;
@@ -465,10 +467,9 @@ namespace libtorrent
 					memset(&req, 0, sizeof(req));
 					// -1 to leave a null terminator
 					strncpy(req.ifr_name, iface.name, IF_NAMESIZE - 1);
-					if (ioctl(s, siocgifmtu, &req) < 0)
-					{
-						continue;
-					}
+
+					// ignore errors here. This is best-effort
+					ioctl(s, siocgifmtu, &req);
 					iface.mtu = req.ifr_mtu;
 					ret.push_back(iface);
 				}