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From: Jason Gunthorpe <jgg@nvidia.com>
To: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>,
	Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>,
	Doug Ledford <dledford@redhat.com>,
	linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
	yuanxzhang@fudan.edu.cn, Xin Tan <tanxin.ctf@gmail.com>
Subject: Re: [PATCH] RDMA/hfi1: Convert from atomic_t to refcount_t on hfi1_devdata->user_refcount
Date: Fri, 30 Jul 2021 11:06:39 -0300	[thread overview]
Message-ID: <20210730140639.GB2559559@nvidia.com> (raw)
In-Reply-To: <1626674454-56075-1-git-send-email-xiyuyang19@fudan.edu.cn>

On Mon, Jul 19, 2021 at 02:00:53PM +0800, Xiyu Yang wrote:
> refcount_t type and corresponding API can protect refcounters from
> accidental underflow and overflow and further use-after-free situations.
> 
> Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
> Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
> Tested-by: Josh Fisher <josh.fisher@cornelisnetworks.com>
> Acked-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
> ---
>  drivers/infiniband/hw/hfi1/chip.c     | 2 +-
>  drivers/infiniband/hw/hfi1/file_ops.c | 6 +++---
>  drivers/infiniband/hw/hfi1/hfi.h      | 3 ++-
>  drivers/infiniband/hw/hfi1/init.c     | 2 +-
>  4 files changed, 7 insertions(+), 6 deletions(-)

Applied to for-next, thanks

Jason

      parent reply	other threads:[~2021-07-30 14:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-19  6:00 Xiyu Yang
2021-07-21 18:09 ` Dennis Dalessandro
2021-07-30 14:06 ` Jason Gunthorpe [this message]

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