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Diffstat (limited to 'net/ipv4/udp.c')
-rw-r--r--net/ipv4/udp.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index abfa860367aa..b3aa68ea29de 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -452,14 +452,24 @@ static struct sock *udp4_lib_lookup2(struct net *net,
score = compute_score(sk, net, saddr, sport,
daddr, hnum, dif, sdif);
if (score > badness) {
- result = lookup_reuseport(net, sk, skb,
- saddr, sport, daddr, hnum);
+ badness = score;
+ result = lookup_reuseport(net, sk, skb, saddr, sport, daddr, hnum);
+ if (!result) {
+ result = sk;
+ continue;
+ }
+
/* Fall back to scoring if group has connections */
- if (result && !reuseport_has_conns(sk))
+ if (!reuseport_has_conns(sk))
return result;
- result = result ? : sk;
- badness = score;
+ /* Reuseport logic returned an error, keep original score. */
+ if (IS_ERR(result))
+ continue;
+
+ badness = compute_score(result, net, saddr, sport,
+ daddr, hnum, dif, sdif);
+
}
}
return result;