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mptcp: fix bad accounting in __mptcp_subflow_push_pending()

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If __subflow_push_pending() errors out we should avoid updating the
copied byte counters, to avoid mismatch push call later on.

Fixes: 0fa1b3783a ("mptcp: use get_send wrapper")
Cc: [email protected]
Signed-off-by: Paolo Abeni <[email protected]>
Reviewed-by: Matthieu Baerts (NGI0) <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://patch.msgid.link/20260917-net-mptcp-misc-fixes-7-3-rc4-v2-3-0cf5c72667c8@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
This commit is contained in:
Paolo Abeni authored and Jakub Kicinski committed 2026-09-17 08:14:33 -07:00
1 parent 42064de57f
commit f3ef033573
1 file changed
+2 -1
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net/mptcp/protocol.c
+2 -1
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@@ -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) {