ip: remove unnecessary ll_init_map

Don't call ll_init_map on modify operations
Saves significant overhead with 1000's of devices.

ip/ipaddress.c

@@ -1365,8 +1365,6 @@ static int ipaddr_modify(int cmd, int flags, int argc, char **argv)
 	if (!scoped && cmd != RTM_DELADDR)
 		req.ifa.ifa_scope = default_scope(&lcl);
 
-	ll_init_map(&rth);
-
 	if ((req.ifa.ifa_index = ll_name_to_index(d)) == 0) {
 		fprintf(stderr, "Cannot find device \"%s\"\n", d);
 		return -1;

ip/ipaddrlabel.c

@@ -246,8 +246,6 @@ static int ipaddrlabel_flush(int argc, char **argv)
 
 int do_ipaddrlabel(int argc, char **argv)
 {
-	ll_init_map(&rth);
-
 	if (argc < 1) {
 		return ipaddrlabel_list(0, NULL);
 	} else if (matches(argv[0], "list") == 0 ||

ip/iplink.c

@@ -533,8 +533,6 @@ static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv)
 		}
 	}
 
-	ll_init_map(&rth);
-
 	if (!(flags & NLM_F_CREATE)) {
 		if (!dev) {
 			fprintf(stderr, "Not enough information: \"dev\" "

ip/iproute.c

@@ -970,8 +970,6 @@ static int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
 	if (d || nhs_ok)  {
 		int idx;
 
-		ll_init_map(&rth);
-
 		if (d) {
 			if ((idx = ll_name_to_index(d)) == 0) {
 				fprintf(stderr, "Cannot find device \"%s\"\n", d);
@@ -1265,8 +1263,6 @@ static int iproute_list_flush_or_save(int argc, char **argv, int action)
 	if (do_ipv6 == AF_UNSPEC && filter.tb)
 		do_ipv6 = AF_INET;
 
-	ll_init_map(&rth);
-
 	if (id || od)  {
 		int idx;
 
@@ -1452,8 +1448,6 @@ static int iproute_get(int argc, char **argv)
 		exit(1);
 	}
 
-	ll_init_map(&rth);
-
 	if (idev || odev)  {
 		int idx;
 

ip/xfrm_monitor.c

@@ -408,8 +408,6 @@ int do_xfrm_monitor(int argc, char **argv)
 		return rtnl_from_file(fp, xfrm_accept_msg, (void*)stdout);
 	}
 
-	//ll_init_map(&rth);
-
 	if (rtnl_open_byproto(&rth, groups, NETLINK_XFRM) < 0)
 		exit(1);