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 8ac7db753670678dd4987dda909f5b6758d7b829..8f939761b0df23de210e74459c268dc16326ef75 100644 (file)
--- 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