commit 30564237282c497649f04b20e791de420004e3a5
author Octavian Purdila <opurdila@ixiacom.com> Fri Dec 10 16:59:50 2010 +0200
committer Stephen Hemminger <stephen.hemminger@vyatta.com> Fri Dec 10 11:37:57 2010 -0800
tree 594bf0ae92c94a7de79a3d7241d5ddda295b0876
parent 1e21ea71a7e12e6bd06ece8cf415e7a5f372c806

iproute2: initialize the ll_map only once

Avoid initializing the LL map (which involves a costly RTNL dump)
multiple times. This can happen when running in batch mode.

Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>

lib/ll_map.c

diff --git a/lib/ll_map.c b/lib/ll_map.c
index afd5e35..b8a3483 100644
--- a/lib/ll_map.c
+++ b/lib/ll_map.c
@@ -185,6 +185,11 @@
 
 int ll_init_map(struct rtnl_handle *rth)
 {
+	static int initialized;
+
+	if (initialized)
+		return 0;
+
 	if (rtnl_wilddump_request(rth, AF_UNSPEC, RTM_GETLINK) < 0) {
 		perror("Cannot send dump request");
 		exit(1);
@@ -194,5 +199,8 @@
 		fprintf(stderr, "Dump terminated\n");
 		exit(1);
 	}
+
+	initialized = 1;
+
 	return 0;
 }