diff options
| author | Matthieu Baerts (NGI0) <matttbe@kernel.org> | 2025-08-15 19:28:20 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-28 16:31:03 +0200 |
| commit | 243d21f947518c9c59eec0dc69bac5ac3b75ef1d (patch) | |
| tree | e2d2537eac86a81398e8548fd0cb59e8e4ea5e44 | |
| parent | 6fa78478795fc8d6c1585c19171941ddfbf804ba (diff) | |
mptcp: pm: kernel: flush: do not reset ADD_ADDR limit
commit 68fc0f4b0d25692940cdc85c68e366cae63e1757 upstream.
A flush of the MPTCP endpoints should not affect the MPTCP limits. In
other words, 'ip mptcp endpoint flush' should not change 'ip mptcp
limits'.
But it was the case: the MPTCP_PM_ATTR_RCV_ADD_ADDRS (add_addr_accepted)
limit was reset by accident. Removing the reset of this counter during a
flush fixes this issue.
Fixes: 01cacb00b35c ("mptcp: add netlink-based PM")
Cc: stable@vger.kernel.org
Reported-by: Thomas Dreibholz <dreibh@simula.no>
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/579
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250815-net-mptcp-misc-fixes-6-17-rc2-v1-2-521fe9957892@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | net/mptcp/pm_netlink.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 2a085ec5bfd0..4f65e8abf343 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -1737,7 +1737,6 @@ static void __flush_addrs(struct list_head *list) static void __reset_counters(struct pm_nl_pernet *pernet) { WRITE_ONCE(pernet->add_addr_signal_max, 0); - WRITE_ONCE(pernet->add_addr_accept_max, 0); WRITE_ONCE(pernet->local_addr_max, 0); pernet->addrs = 0; } |