diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-07-21 10:55:57 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-07-21 10:55:57 +0200 |
| commit | a83c371c4b6c9e5cc11391ee6e56543a0fef59b9 (patch) | |
| tree | c88b27a7b15946f922612945c0808caef6cee8ab /net/mptcp/pm.c | |
| parent | f72b9aa821a2bfe4b6dfec4be19f264d0673b008 (diff) | |
| parent | 89be9a83ccf1f88522317ce02f854f30d6115c41 (diff) | |
Merge tag 'v6.16-rc7' into usb-next
We need the USB/Thunderbolt fixes in here for other patches to be on top
of.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/mptcp/pm.c')
| -rw-r--r-- | net/mptcp/pm.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index feb01747d7d8..420d416e2603 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -765,8 +765,14 @@ void mptcp_pm_mp_fail_received(struct sock *sk, u64 fail_seq) pr_debug("fail_seq=%llu\n", fail_seq); - if (!READ_ONCE(msk->allow_infinite_fallback)) + /* After accepting the fail, we can't create any other subflows */ + spin_lock_bh(&msk->fallback_lock); + if (!msk->allow_infinite_fallback) { + spin_unlock_bh(&msk->fallback_lock); return; + } + msk->allow_subflows = false; + spin_unlock_bh(&msk->fallback_lock); if (!subflow->fail_tout) { pr_debug("send MP_FAIL response and infinite map\n"); |