Re: [PATCH] RDMA/siw: Fix a condition race issue in MPA request processing

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On Sun, Apr 24, 2022 at 04:01:03PM +0800, Cheng Xu wrote:
> The calling of siw_cm_upcall and detaching new_cep with its
> listen_cep should be atomistic semantics. Otherwise siw_reject
> may be called in a temporary state, e,g, siw_cm_upcall is called
> but the new_cep->listen_cep has not being cleared.
> 
> This will generate a WARN in dmesg, which reported in:
> https://lore.kernel.org/all/Yliu2ROIh0nLk5l0@xxxxxxxxxxxxxxxxxxxxxx/
> 
> Reported-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
> Signed-off-by: Cheng Xu <chengyou@xxxxxxxxxxxxxxxxx>
> ---
>  drivers/infiniband/sw/siw/siw_cm.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

Applied to for-rc, thanks

Jason



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