diff options
| -rw-r--r-- | net/ipv4/tcp_input.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index bbadd79815a4..2fa55f57ac06 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -887,6 +887,9 @@ static void tcp_update_reordering(struct sock *sk, const int metric, struct tcp_sock *tp = tcp_sk(sk); int mib_idx; + if (WARN_ON_ONCE(metric < 0)) + return; + if (metric > tp->reordering) { tp->reordering = min(sysctl_tcp_max_reordering, metric); |