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authorIngo Molnar <mingo@kernel.org>2025-03-04 11:19:21 +0100
committerIngo Molnar <mingo@kernel.org>2025-03-04 11:19:21 +0100
commitcfdaa618defc5ebe1ee6aa5bd40a7ccedffca6de (patch)
treefba004535821850f0d10cc4deac3885545083f0c /net/mptcp/protocol.h
parentx86/ia32: Leave NULL selector values 0~3 unchanged (diff)
parent<linux/sizes.h>: Cover all possible x86 CPU cache sizes (diff)
downloadlinux-cfdaa618defc5ebe1ee6aa5bd40a7ccedffca6de.tar.gz
linux-cfdaa618defc5ebe1ee6aa5bd40a7ccedffca6de.zip
Merge branch 'x86/cpu' into x86/asm, to pick up dependent commits
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);
}