From: Andreas Schwab <schwab@linux-m68k.org>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
netdev <netdev@vger.kernel.org>,
Eric Dumazet <edumazet@google.com>,
kernel test robot <lkp@intel.com>
Subject: Re: [PATCH net-next] tcp: fix signed/unsigned comparison
Date: Sun, 17 Apr 2022 20:24:20 +0200 [thread overview]
Message-ID: <87czhfy3e3.fsf@igel.home> (raw)
In-Reply-To: <20220417171027.3888810-1-eric.dumazet@gmail.com> (Eric Dumazet's message of "Sun, 17 Apr 2022 10:10:27 -0700")
On Apr 17 2022, Eric Dumazet wrote:
> diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
> index cf2dc19bb8c766c1d33406053fd61c0873f15489..0d88984e071531fb727bdee178b0c01fd087fe5f 100644
> --- a/net/ipv4/tcp_input.c
> +++ b/net/ipv4/tcp_input.c
> @@ -5959,7 +5959,7 @@ void tcp_rcv_established(struct sock *sk, struct sk_buff *skb)
>
> step5:
> reason = tcp_ack(sk, skb, FLAG_SLOWPATH | FLAG_UPDATE_TS_RECENT);
> - if (reason < 0)
> + if ((int)reason < 0)
> goto discard;
>
> tcp_rcv_rtt_measure_ts(sk, skb);
Shouldn't reason be negated before passing it to tcp_drop_reason?
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely different."
next prev parent reply other threads:[~2022-04-17 18:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-17 17:10 [PATCH net-next] tcp: fix signed/unsigned comparison Eric Dumazet
2022-04-17 18:24 ` Andreas Schwab [this message]
2022-04-17 18:28 ` Eric Dumazet
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