From: Dan Carpenter <dan.carpenter@oracle.com>
To: Dennis Dalessandro <dennis.dalessandro@intel.com>
Cc: SF Markus Elfring <elfring@users.sourceforge.net>,
linux-rdma@vger.kernel.org, Doug Ledford <dledford@redhat.com>,
Hal Rosenstock <hal.rosenstock@gmail.com>,
Mike Marciniszyn <mike.marciniszyn@intel.com>,
Sean Hefty <sean.hefty@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH 4/5] IB/hfi1: Use memdup_user() rather than duplicating its implementation in hfi1_user_s
Date: Mon, 13 Feb 2017 10:53:50 +0000 [thread overview]
Message-ID: <20170213105350.GA4108@mwanda> (raw)
In-Reply-To: <477c8499-93ad-253d-aa2b-8f209ecfad62@intel.com>
On Sat, Feb 11, 2017 at 10:32:59AM -0500, Dennis Dalessandro wrote:
> On 02/10/2017 04:04 PM, SF Markus Elfring wrote:
> >From: Markus Elfring <elfring@users.sourceforge.net>
> >Date: Fri, 10 Feb 2017 21:01:55 +0100
> >
> >Reuse existing functionality from memdup_user() instead of keeping
> >duplicate source code.
> >
> >Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
>
> Thanks for the patch, but this one is already taken care of along
> with other similar uses of kmalloc/copy:
>
> http://marc.info/?l=linux-rdma&m\x148656088729538&w=2
>
Michael's patch doesn't change user_sdma_free_request() so it introduces
a kfreeing an error pointer bug.
regards,
dan carpenter
next prev parent reply other threads:[~2017-02-13 10:53 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-10 21:00 [PATCH 0/5] IB/hfi1: Fine-tuning for three function implementations SF Markus Elfring
2017-02-10 21:02 ` [PATCH 2/5] IB/hfi1: Use kcalloc() in hfi1_user_sdma_alloc_queues() SF Markus Elfring
2017-02-10 21:04 ` [PATCH 4/5] IB/hfi1: Use memdup_user() rather than duplicating its implementation in hfi1_user_sdma_ SF Markus Elfring
[not found] ` <b19e44b3-601f-c642-b8d3-12c000511ce2-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
2017-02-11 15:32 ` [PATCH 4/5] IB/hfi1: Use memdup_user() rather than duplicating its implementation in hfi1_user_s Dennis Dalessandro
[not found] ` <477c8499-93ad-253d-aa2b-8f209ecfad62-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-02-13 9:50 ` [PATCH 27/27] IB/hfi1: Code reuse with memdup_copy SF Markus Elfring
2017-02-13 10:53 ` Dan Carpenter [this message]
2017-02-13 11:12 ` IB/hfi1: Use memdup_user() rather than duplicating its implementation in hfi1_user_sdma_process_ SF Markus Elfring
[not found] ` <4094dc04-bb2c-a74e-8d4d-8879ac4e7761-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
2017-02-13 14:01 ` Dan Carpenter
[not found] ` <8a997282-09c7-0f9f-645e-d7c6e8c79e67-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
2017-02-10 21:01 ` [PATCH 1/5] IB/hfi1: Use kcalloc() in hfi1_user_exp_rcv_init() SF Markus Elfring
2017-02-10 21:03 ` [PATCH 3/5] IB/hfi1: Adjust another size determination in hfi1_user_sdma_alloc_queues() SF Markus Elfring
2017-02-13 9:10 ` Johannes Thumshirn
[not found] ` <fc714096-8534-2231-17fd-8e3ca3f7a87b-l3A5Bk7waGM@public.gmane.org>
2017-02-13 9:32 ` SF Markus Elfring
[not found] ` <4dca91c1-488d-120d-bd25-74f400242bd2-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
2017-02-13 9:51 ` Johannes Thumshirn
[not found] ` <9ce8c7b1-1ae5-fe15-2740-b4f7653555c4-l3A5Bk7waGM@public.gmane.org>
2017-02-13 10:37 ` SF Markus Elfring
[not found] ` <8ec653df-9d73-3c94-9559-7a732417e578-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
2017-02-13 10:49 ` Johannes Thumshirn
2017-02-10 21:05 ` [PATCH 5/5] IB/hfi1: Improve another size determination in hfi1_user_sdma_process_request() SF Markus Elfring
2017-04-20 20:29 ` [PATCH 0/5] IB/hfi1: Fine-tuning for three function implementations Doug Ledford
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