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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-01 17:13:54 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-01 17:13:54 +0000 |
| commit | 2957e9a7ea070524508a846205689431cb5c101f (patch) | |
| tree | 42f079ff82e701ebcb76829974b4caca3e5b6798 /net/ipv4/tcp_timer.c | |
| parent | Adding upstream version 6.9.2. (diff) | |
| download | linux-2957e9a7ea070524508a846205689431cb5c101f.tar.xz linux-2957e9a7ea070524508a846205689431cb5c101f.zip | |
Adding upstream version 6.9.7.upstream/6.9.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/ipv4/tcp_timer.c')
| -rw-r--r-- | net/ipv4/tcp_timer.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index d1ad20ce1..f96f68cf7 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -483,8 +483,12 @@ static bool tcp_rtx_probe0_timed_out(const struct sock *sk, { const struct tcp_sock *tp = tcp_sk(sk); const int timeout = TCP_RTO_MAX * 2; - u32 rcv_delta; + s32 rcv_delta; + /* Note: timer interrupt might have been delayed by at least one jiffy, + * and tp->rcv_tstamp might very well have been written recently. + * rcv_delta can thus be negative. + */ rcv_delta = inet_csk(sk)->icsk_timeout - tp->rcv_tstamp; if (rcv_delta <= timeout) return false; |