From: Stephen Hemminger <stephen.hemminger@vyatta.com>
Date: Mon, 13 Jul 2009 17:15:23 +0000 (-0700)
Subject: Fix flushing of large number of entries
X-Git-Tag: v2.6.31~35
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d8240f8d95dfdc276dcf447623129fb5ccedcd6;p=thirdparty%2Fiproute2.git

Fix flushing of large number of entries

Checking for errors would cause some responses to be lost.
---

diff --git a/lib/libnetlink.c b/lib/libnetlink.c
index 5ae64f7ea..b68e2fdb0 100644
--- a/lib/libnetlink.c
+++ b/lib/libnetlink.c
@@ -121,8 +121,8 @@ int rtnl_send_check(struct rtnl_handle *rth, const char *buf, int len)
 	if (status < 0)
 		return status;
 
-	/* Check for errors */
-	status = recv(rth->fd, resp, sizeof(resp), MSG_DONTWAIT);
+	/* Check for immediate errors */
+	status = recv(rth->fd, resp, sizeof(resp), MSG_DONTWAIT|MSG_PEEK);
 	if (status < 0) {
 		if (errno == EAGAIN)
 			return 0;