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From: Greg KH <gregkh@linuxfoundation.org>
To: Yang Yingliang <yangyingliang@huawei.com>
Cc: stable@vger.kernel.org, sashal@kernel.org
Subject: Re: [PATCH 4.19] IB/umem: fix reference count leak in ib_umem_odp_get()
Date: Mon, 13 Jul 2020 16:52:26 +0200	[thread overview]
Message-ID: <20200713145226.GA3767483@kroah.com> (raw)
In-Reply-To: <20200619160307.1601016-1-yangyingliang@huawei.com>

On Fri, Jun 19, 2020 at 04:03:07PM +0000, Yang Yingliang wrote:
> Add missing mmput() on error path to avoid ref-count leak.
> 
> This problem has already been resolved in mainline by
> f27a0d50a4bc ("RDMA/umem: Use umem->owning_mm inside ODP").
> 
> Fixes: 79bb5b7ee177 ("RDMA/umem: Fix missing mmap_sem in get umem ODP call")
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> ---
>  drivers/infiniband/core/umem_odp.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

We need an ack by the owner/maintainer of this code, please get the IB
developers/maintainers to do that first.

Any reason why you didn't cc: them also?

thanks,

greg k-h

  reply	other threads:[~2020-07-13 14:52 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-19 16:03 [PATCH 4.19] IB/umem: fix reference count leak in ib_umem_odp_get() Yang Yingliang
2020-07-13 14:52 ` Greg KH [this message]
2020-07-14  2:55   ` Yang Yingliang
  -- strict thread matches above, loose matches on Subject: below --
2020-07-14 10:57 Yang Yingliang
2020-07-14  6:08 ` Greg KH
2020-07-14  6:45   ` Yang Yingliang
2020-07-14 11:28 ` Jason Gunthorpe

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