From: Roy Marples <roy@marples.name>
Date: Fri, 7 Feb 2020 13:16:06 +0000 (+0000)
Subject: Linux: mask the NETLINK_GET_STRICT_CHK: Protocol not available error
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c662b4931d7e2f99d750b4d03c1b41965c8dca2;p=thirdparty%2Fdhcpcd.git

Linux: mask the NETLINK_GET_STRICT_CHK: Protocol not available error

Just to appease Arch LTS users (packages are built with newer
headers than what kernel supports).
---

diff --git a/src/if-linux.c b/src/if-linux.c
index 8ac7db75..8f939761 100644
--- a/src/if-linux.c
+++ b/src/if-linux.c
@@ -1016,7 +1016,7 @@ if_sendnetlink(struct dhcpcd_ctx *ctx, int protocol, struct nlmsghdr *hdr,
 			int on = 1;
 
 			if (setsockopt(s, SOL_NETLINK, NETLINK_GET_STRICT_CHK,
-			    &on, sizeof(on)) == -1)
+			    &on, sizeof(on)) == -1 && errno != ENOPROTOOPT)
 				logerr("%s: NETLINK_GET_STRICT_CHK", __func__);
 		}
 #endif