Re: FAILED: patch "[PATCH] mptcp: pm: remove mptcp_pm_remove_subflow()" failed to apply to 5.10-stable tree

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Hi Greg,

On 26/08/2024 14:05, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
> 
> The patch below does not apply to the 5.10-stable tree.
> If someone wants it applied there, or to any other stable or longterm
> tree, then please email the backport, including the original git commit
> id to <stable@xxxxxxxxxxxxxxx>.

Thank you for the notification!

(...)

> ------------------ original commit in Linus's tree ------------------
> 
> From f448451aa62d54be16acb0034223c17e0d12bc69 Mon Sep 17 00:00:00 2001
> From: "Matthieu Baerts (NGI0)" <matttbe@xxxxxxxxxx>
> Date: Mon, 19 Aug 2024 21:45:25 +0200
> Subject: [PATCH] mptcp: pm: remove mptcp_pm_remove_subflow()
> 
> This helper is confusing. It is in pm.c, but it is specific to the
> in-kernel PM and it cannot be used by the userspace one. Also, it simply
> calls one in-kernel specific function with the PM lock, while the
> similar mptcp_pm_remove_addr() helper requires the PM lock.
> 
> What's left is the pr_debug(), which is not that useful, because a
> similar one is present in the only function called by this helper:
> 
>   mptcp_pm_nl_rm_subflow_received()
> 
> After these modifications, this helper can be marked as 'static', and
> the lock can be taken only once in mptcp_pm_flush_addrs_and_subflows().
> 
> Note that it is not a bug fix, but it will help backporting the
> following commits.

It was helping with newer versions, but not here in v5.10, because other
fixes have not been taken. We don't need this patch then.

Cheers,
Matt
-- 
Sponsored by the NGI0 Core fund.





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