linux-kernel - Re: [PATCH 23/25] video/exynos: don't use [delayed_]work

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-id: <02f901cde31e$0a284df0$1e78e9d0$%han@samsung.com>
Date:	Wed, 26 Dec 2012 13:04:02 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Kukjin Kim' <kgene.kim@...sung.com>, 'Tejun Heo' <tj@...nel.org>,
	linux-kernel@...r.kernel.org
Cc:	'Florian Tobias Schandinat' <FlorianSchandinat@....de>,
	'Jingoo Han' <jg1.han@...sung.com>
Subject: Re: [PATCH 23/25] video/exynos: don't use [delayed_]work_pending()

On Saturday, December 22, 2012 12:06 PM, Kukjin Kim wrote 
> Tejun Heo wrote:
> >
> > There's no need to test whether a (delayed) work item in pending
> > before queueing, flushing or cancelling it.  Most uses are unnecessary
> > and quite a few of them are buggy.
> >
> > Remove unnecessary pending tests from exynos_dp_core.  Only compile
> > tested.
> >
> > Signed-off-by: Tejun Heo <tj@...nel.org>
> > Cc: Kukjin Kim <kgene.kim@...sung.com>
> 
> Acked-by: Kukjin Kim <kgene.kim@...sung.com>

Acked-by: Jingoo Han <jg1.han@...sung.com>


I tested this patch with Exynos5250.
Also, taking it through the workqueue tree would be better.

Best regards,
Jingoo Han

> 
> > ---
> > Please let me know how this patch should be routed.  I can take it
> > through the workqueue tree if necessary.
> >
> Cc'ed Jingoo and Florian.
> 
> Now the exynos dp driver are being handled by Jingoo so let's waiting for
> his opinion to take this by himself or not.
> 
> - Kukjin Kim
> 
> > Thanks.
> >
> >  drivers/video/exynos/exynos_dp_core.c | 6 ++----
> >  1 file changed, 2 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/video/exynos/exynos_dp_core.c
> > b/drivers/video/exynos/exynos_dp_core.c
> > index 28fd686..3002a6a 100644
> > --- a/drivers/video/exynos/exynos_dp_core.c
> > +++ b/drivers/video/exynos/exynos_dp_core.c
> > @@ -1121,8 +1121,7 @@ static int __devexit exynos_dp_remove(struct
> > platform_device *pdev)
> >
> >  	disable_irq(dp->irq);
> >
> > -	if (work_pending(&dp->hotplug_work))
> > -		flush_work(&dp->hotplug_work);
> > +	flush_work(&dp->hotplug_work);
> >
> >  	if (pdev->dev.of_node) {
> >  		if (dp->phy_addr)
> > @@ -1144,8 +1143,7 @@ static int exynos_dp_suspend(struct device *dev)
> >  	struct exynos_dp_platdata *pdata = dev->platform_data;
> >  	struct exynos_dp_device *dp = dev_get_drvdata(dev);
> >
> > -	if (work_pending(&dp->hotplug_work))
> > -		flush_work(&dp->hotplug_work);
> > +	flush_work(&dp->hotplug_work);
> >
> >  	if (dev->of_node) {
> >  		if (dp->phy_addr)
> > --
> > 1.8.0.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/