From 9079964eda336913df098484d0efe6facaeb8f6f Mon Sep 17 00:00:00 2001 From: ru Date: Fri, 8 Jun 2001 12:44:25 +0000 Subject: When changing an indirect route, kernel routing code allocates a route to the gateway and caches it in the route structure. It may happen (if the routing table is screwed) that the gateway route is the same route as the one being modified, in which case a kernel reports EDQUOT. Be more verbose about this: # route add -net 10 192.168.4.65 add net 10: gateway 192.168.4.65 # netstat -rn -finet Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.4.65 UGSc 1 7 rl0 10 192.168.4.65 UGSc 0 0 rl0 127.0.0.1 127.0.0.1 UH 0 178 lo0 192.168.4 link#1 UC 2 0 rl0 => 192.168.4.65 0:d0:b7:16:9c:c6 UHLW 2 0 rl0 1123 Before: # route change -net 10 10.0.0.1 route: writing to routing socket: Disc quota exceeded change net 10: gateway 10.0.0.1: Disc quota exceeded After: # ./route change -net 10 10.0.0.1 route: writing to routing socket: Disc quota exceeded change net 10: gateway 10.0.0.1: gateway uses the same route PR: bin/1093, misc/26833 --- sbin/route/route.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'sbin/route/route.c') diff --git a/sbin/route/route.c b/sbin/route/route.c index 467dbe1..2b7d246 100644 --- a/sbin/route/route.c +++ b/sbin/route/route.c @@ -741,6 +741,9 @@ newroute(argc, argv) case ENOBUFS: err = "routing table overflow"; break; + case EDQUOT: /* handle recursion avoidance in rt_setgate() */ + err = "gateway uses the same route"; + break; default: err = strerror(oerrno); break; -- cgit v1.1