diff options
Diffstat (limited to 'net/ipv4/ipmr.c')
| -rw-r--r-- | net/ipv4/ipmr.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 91b0d5671649..7a3e2acda94c 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -2527,15 +2527,31 @@ errout_free: static int ipmr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb) { - if (cb->strict_check) { - int err = ip_valid_fib_dump_req(cb->nlh, cb->extack); + struct fib_dump_filter filter = {}; + int err; + if (cb->strict_check) { + err = ip_valid_fib_dump_req(sock_net(skb->sk), cb->nlh, + &filter, cb); if (err < 0) return err; } + if (filter.table_id) { + struct mr_table *mrt; + + mrt = ipmr_get_table(sock_net(skb->sk), filter.table_id); + if (!mrt) { + NL_SET_ERR_MSG(cb->extack, "ipv4: MR table does not exist"); + return -ENOENT; + } + err = mr_table_dump(mrt, skb, cb, _ipmr_fill_mroute, + &mfc_unres_lock, &filter); + return skb->len ? : err; + } + return mr_rtm_dumproute(skb, cb, ipmr_mr_table_iter, - _ipmr_fill_mroute, &mfc_unres_lock); + _ipmr_fill_mroute, &mfc_unres_lock, &filter); } static const struct nla_policy rtm_ipmr_policy[RTA_MAX + 1] = { |