change name_is_vrf to return index
index of 0 means name is not a valid vrf.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
diff --git a/ip/iplink_vrf.c b/ip/iplink_vrf.c
index a238b29..c101ed7 100644
--- a/ip/iplink_vrf.c
+++ b/ip/iplink_vrf.c
@@ -159,7 +159,7 @@
return tb_id;
}
-bool name_is_vrf(const char *name)
+int name_is_vrf(const char *name)
{
struct {
struct nlmsghdr n;
@@ -187,24 +187,27 @@
addattr_l(&req.n, sizeof(req), IFLA_IFNAME, name, strlen(name) + 1);
if (rtnl_talk(&rth, &req.n, &answer.n, sizeof(answer)) < 0)
- return false;
+ return 0;
ifi = NLMSG_DATA(&answer.n);
len = answer.n.nlmsg_len - NLMSG_LENGTH(sizeof(*ifi));
if (len < 0) {
fprintf(stderr, "BUG: Invalid response to link query.\n");
- return false;
+ return 0;
}
parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len);
if (!tb[IFLA_LINKINFO])
- return false;
+ return 0;
parse_rtattr_nested(li, IFLA_INFO_MAX, tb[IFLA_LINKINFO]);
if (!li[IFLA_INFO_KIND])
- return false;
+ return 0;
- return strcmp(RTA_DATA(li[IFLA_INFO_KIND]), "vrf") == 0;
+ if (strcmp(RTA_DATA(li[IFLA_INFO_KIND]), "vrf"))
+ return 0;
+
+ return ifi->ifi_index;
}