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From: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
To: Ira Weiny <ira.weiny@intel.com>
Cc: Lukas Wunner <lukas@wunner.de>,
	Bjorn Helgaas <helgaas@kernel.org>, <linux-pci@vger.kernel.org>,
	Gregory Price <gregory.price@memverge.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Alison Schofield <alison.schofield@intel.com>,
	Vishal Verma <vishal.l.verma@intel.com>,
	Dave Jiang <dave.jiang@intel.com>,
	"Li, Ming" <ming4.li@intel.com>,
	"Hillf Danton" <hdanton@sina.com>,
	Ben Widawsky <bwidawsk@kernel.org>, <linuxarm@huawei.com>,
	<linux-cxl@vger.kernel.org>
Subject: Re: [PATCH v2 02/10] PCI/DOE: Fix memory leak with CONFIG_DEBUG_OBJECTS=y
Date: Tue, 24 Jan 2023 10:33:15 +0000	[thread overview]
Message-ID: <20230124103315.000014d2@Huawei.com> (raw)
In-Reply-To: <63cf27ea17c33_521a294ee@iweiny-mobl.notmuch>

On Mon, 23 Jan 2023 16:35:54 -0800
Ira Weiny <ira.weiny@intel.com> wrote:

> Lukas Wunner wrote:
> > After a pci_doe_task completes, its work_struct needs to be destroyed
> > to avoid a memory leak with CONFIG_DEBUG_OBJECTS=y.
> > 
> > Fixes: 9d24322e887b ("PCI/DOE: Add DOE mailbox support functions")
> > Tested-by: Ira Weiny <ira.weiny@intel.com>  
> 
> Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Good find.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> 
> > Signed-off-by: Lukas Wunner <lukas@wunner.de>
> > Cc: stable@vger.kernel.org # v6.0+
> > Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> > ---
> >  drivers/pci/doe.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/pci/doe.c b/drivers/pci/doe.c
> > index 12a6752351bf..7451b5732044 100644
> > --- a/drivers/pci/doe.c
> > +++ b/drivers/pci/doe.c
> > @@ -224,6 +224,7 @@ static void signal_task_complete(struct pci_doe_task *task, int rv)
> >  {
> >  	task->rv = rv;
> >  	task->complete(task);
> > +	destroy_work_on_stack(&task->work);
> >  }
> >  
> >  static void signal_task_abort(struct pci_doe_task *task, int rv)
> > -- 
> > 2.39.1
> >   
> 
> 


  reply	other threads:[~2023-01-24 10:33 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-23 10:10 [PATCH v2 00/10] Collection of DOE material Lukas Wunner
2023-01-23 10:11 ` [PATCH v2 01/10] PCI/DOE: Silence WARN splat with CONFIG_DEBUG_OBJECTS=y Lukas Wunner
2023-01-24  0:33   ` Ira Weiny
2023-01-24 10:32     ` Jonathan Cameron
2023-01-25 21:05       ` Lukas Wunner
2023-01-24 16:18   ` Gregory Price
2023-02-10 23:50   ` Dan Williams
2023-01-23 10:12 ` [PATCH v2 02/10] PCI/DOE: Fix memory leak " Lukas Wunner
2023-01-24  0:35   ` Ira Weiny
2023-01-24 10:33     ` Jonathan Cameron [this message]
2023-02-10 23:52   ` Dan Williams
2023-01-23 10:13 ` [PATCH v2 03/10] PCI/DOE: Provide synchronous API and use it internally Lukas Wunner
2023-01-24  0:48   ` Ira Weiny
2023-01-24 10:40   ` Jonathan Cameron
2023-01-24 20:07     ` Ira Weiny
2023-02-10 23:57   ` Dan Williams
2023-01-23 10:14 ` [PATCH v2 04/10] cxl/pci: Use synchronous API for DOE Lukas Wunner
2023-01-24  0:52   ` Ira Weiny
2023-02-03  8:53     ` Li, Ming
2023-02-03  8:56       ` Li, Ming
2023-02-03  9:54       ` Lukas Wunner
2023-01-24 11:01   ` Jonathan Cameron
2023-02-10 22:17     ` Lukas Wunner
2023-01-23 10:15 ` [PATCH v2 05/10] PCI/DOE: Make asynchronous API private Lukas Wunner
2023-01-24  0:55   ` Ira Weiny
2023-01-24 11:03   ` Jonathan Cameron
2023-01-23 10:16 ` [PATCH v2 06/10] PCI/DOE: Allow mailbox creation without devres management Lukas Wunner
2023-01-24 12:15   ` Jonathan Cameron
2023-01-24 12:18     ` Jonathan Cameron
2023-02-03  9:06     ` Li, Ming
2023-02-03  9:09       ` Li, Ming
2023-02-03 10:08       ` Lukas Wunner
2023-02-10 22:03     ` Lukas Wunner
2023-01-23 10:17 ` [PATCH v2 07/10] PCI/DOE: Create mailboxes on device enumeration Lukas Wunner
2023-01-24  1:14   ` Ira Weiny
2023-01-24 12:21   ` Jonathan Cameron
2023-01-23 10:18 ` [PATCH v2 08/10] cxl/pci: Use CDAT DOE mailbox created by PCI core Lukas Wunner
2023-01-24  1:18   ` Ira Weiny
2023-01-24 12:25   ` Jonathan Cameron
2023-01-23 10:19 ` [PATCH v2 09/10] PCI/DOE: Make mailbox creation API private Lukas Wunner
2023-01-24  1:25   ` Ira Weiny
2023-01-24 12:26   ` Jonathan Cameron
2023-01-23 10:20 ` [PATCH v2 10/10] PCI/DOE: Relax restrictions on request and response size Lukas Wunner
2023-01-23 22:29   ` Bjorn Helgaas
2023-01-24  1:43   ` Ira Weiny
2023-02-10 21:47     ` Lukas Wunner
2023-01-24 12:43   ` Jonathan Cameron
2023-01-24 23:51     ` Bjorn Helgaas
2023-01-25  9:47       ` Jonathan Cameron
2023-02-10 22:10       ` Lukas Wunner
2023-01-23 22:30 ` [PATCH v2 00/10] Collection of DOE material Bjorn Helgaas
2023-02-10 21:39   ` Lukas Wunner
2023-02-11  0:04     ` Dan Williams

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