diff --git a/net/ipv4/route.c b/net/ipv4/route.c index f428935c50db..f8da28278014 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1776,8 +1776,12 @@ local_input: rth->dst.error= -err; rth->rt_flags &= ~RTCF_LOCAL; } - if (do_cache) - rt_cache_route(&FIB_RES_NH(res), rth); + if (do_cache) { + if (unlikely(!rt_cache_route(&FIB_RES_NH(res), rth))) { + rth->dst.flags |= DST_NOCACHE; + rt_add_uncached_list(rth); + } + } skb_dst_set(skb, &rth->dst); err = 0; goto out;