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authorIngo Molnar <mingo@kernel.org>2025-03-08 00:54:06 +0100
committerIngo Molnar <mingo@kernel.org>2025-03-08 00:54:06 +0100
commitf23ecef20af6fbd489e0362d33cdf8d9429fa901 (patch)
tree713f06d8335b7c3388bbfbc46cb6d2a568951252 /net/mptcp/protocol.h
parentc929d08df8bee855528b9d15b853c892c54e1eee (diff)
parent85b2b9c16d053364e2004883140538e73b333cdb (diff)
Merge branch 'locking/urgent' into locking/core, to pick up locking fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/mptcp/protocol.h')
-rw-r--r--net/mptcp/protocol.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index f6a207958459..ad21925af061 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -1199,6 +1199,8 @@ static inline void __mptcp_do_fallback(struct mptcp_sock *msk)
pr_debug("TCP fallback already done (msk=%p)\n", msk);
return;
}
+ if (WARN_ON_ONCE(!READ_ONCE(msk->allow_infinite_fallback)))
+ return;
set_bit(MPTCP_FALLBACK_DONE, &msk->flags);
}