From: Thomas Graf <tgraf@redhat.com>
Date: Wed, 14 Sep 2011 09:43:10 +0000 (+0200)
Subject: link: Eat ACK followed by RTM_NEWLINK when requesting single link
X-Git-Tag: libnl3_2_1~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5151cbc2f6e5ca81cfc66eeb1d4a5c6c4e886108;p=thirdparty%2Flibnl.git

link: Eat ACK followed by RTM_NEWLINK when requesting single link

When requesting a single link with RTM_GETLINK (no dump) the
RTM_NEWLINK carrying the answer will be followed by an ACK
we have to wait for.
---

diff --git a/lib/route/link.c b/lib/route/link.c
index 3e070e5..00beb08 100644
--- a/lib/route/link.c
+++ b/lib/route/link.c
@@ -996,6 +996,10 @@ int rtnl_link_get_kernel(struct nl_sock *sk, int ifindex, const char *name,
 	/* We have used link_msg_parser(), object is definitely a link */
 	*result = (struct rtnl_link *) obj;
 
+	/* If an object has been returned, we also need to wait for the ACK */
+	 if (err == 0 && obj)
+		 nl_wait_for_ack(sk);
+
 	return 0;
 }