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| author | Paolo Abeni <pabeni@redhat.com> | 2026-09-17 15:05:59 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-09-17 08:14:33 -0700 |
| commit | f3ef03357396d4b147d8e76c75fb612c2f264ffc (patch) | |
| tree | f8d6e1cf388a6f343cb8e15fabb51541c8461e9e | |
| parent | 42064de57fb83231fcc89663a94885f228a1ee53 (diff) | |
| download | linux-next-f3ef03357396d4b147d8e76c75fb612c2f264ffc.tar.gz linux-next-f3ef03357396d4b147d8e76c75fb612c2f264ffc.zip | |
mptcp: fix bad accounting in __mptcp_subflow_push_pending()
If __subflow_push_pending() errors out we should avoid updating the
copied byte counters, to avoid mismatch push call later on.
Fixes: 0fa1b3783a17 ("mptcp: use get_send wrapper")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20260917-net-mptcp-misc-fixes-7-3-rc4-v2-3-0cf5c72667c8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | net/mptcp/protocol.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 577d0134b9ec..e89a69ab927c 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -1854,7 +1854,8 @@ static void __mptcp_subflow_push_pending(struct sock *sk, struct sock *ssk, bool ret = __subflow_push_pending(sk, ssk, &info); if (ret <= 0) keep_pushing = false; - copied += ret; + else + copied += ret; } mptcp_for_each_subflow(msk, subflow) { |