iplink_vrf: Complain if main table is not found

Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: David Ahern <dsahern@gmail.com>

diff --git a/ip/iplink_vrf.c b/ip/iplink_vrf.c
index 917630e8533758a62d8566cd877388c3101d5529..2b85a3a56eb70016e833f4ef4dbfce70295f1dc5 100644 (file)
--- a/ip/iplink_vrf.c
+++ b/ip/iplink_vrf.c
@@ -131,7 +131,9 @@ __u32 ipvrf_get_table(const char *name)
                                           &answer.n, sizeof(answer)) < 0) {
                /* special case "default" vrf to be the main table */
                if (errno == ENODEV && !strcmp(name, "default"))
-                       rtnl_rttable_a2n(&tb_id, "main");
+                       if (rtnl_rttable_a2n(&tb_id, "main"))
+                               fprintf(stderr,
+                                       "BUG: RTTable \"main\" not found.\n");
 
                return tb_id;
        }