From: Roy Marples <roy@marples.name>
Date: Mon, 3 Aug 2020 15:54:59 +0000 (+0100)
Subject: Linux: fix reading the ipv6 forwarding proc entry
X-Git-Tag: v9.2.0~35
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b4c7dd7218ee83d4b2fa1fdd210a1393df7be7a;p=thirdparty%2Fdhcpcd.git

Linux: fix reading the ipv6 forwarding proc entry

We need to ensure that the carriage return doesn't give issue.
---

diff --git a/src/if-linux.c b/src/if-linux.c
index 6493cd03..8d87d748 100644
--- a/src/if-linux.c
+++ b/src/if-linux.c
@@ -2090,7 +2090,7 @@ ip6_forwarding(const char *ifname)
 	if (readfile(path, buf, sizeof(buf)) == -1)
 		return 0;
 	i = (int)strtoi(buf, NULL, 0, INT_MIN, INT_MAX, &error);
-	if (error != 0)
+	if (error != 0 && error != ENOTSUP)
 		return 0;
 	return i;
 }