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-rw-r--r--net/ipv4/ipmr.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 7a3e2acda94c..a6defbec4f1b 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2542,6 +2542,9 @@ static int ipmr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb)
mrt = ipmr_get_table(sock_net(skb->sk), filter.table_id);
if (!mrt) {
+ if (filter.dump_all_families)
+ return skb->len;
+
NL_SET_ERR_MSG(cb->extack, "ipv4: MR table does not exist");
return -ENOENT;
}