From: Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
Mika Westerberg
<mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
"Rafael J . Wysocki"
<rafael.j.wysocki-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH v1 2/6] iommu/dmar: Rectify return code handling in detect_intel_iommu()
Date: Wed, 15 Feb 2017 16:58:52 +0200 [thread overview]
Message-ID: <1487170732.2133.487.camel@linux.intel.com> (raw)
In-Reply-To: <20170215144226.34519-2-andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
On Wed, 2017-02-15 at 16:42 +0200, Andy Shevchenko wrote:
> There is inconsistency in return codes across the functions called
> from
> detect_intel_iommu().
>
> Make it consistent and propagate return code to the caller.
> @@ -911,10 +911,9 @@ int __init detect_intel_iommu(void)
> }
> up_write(&dmar_global_lock);
>
> - return ret ? 1 : -ENODEV;
> + return ret;
Accidentally it works since we have no late_init() defined.
I will fix this in v2, but will wait for the comments regarding the rest
of the series.
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
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next prev parent reply other threads:[~2017-02-15 14:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-15 14:42 [PATCH v1 1/6] iommu/dmar: Fix crash on boot when DMAR is disabled Andy Shevchenko
[not found] ` <20170215144226.34519-1-andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-02-15 14:42 ` [PATCH v1 2/6] iommu/dmar: Rectify return code handling in detect_intel_iommu() Andy Shevchenko
[not found] ` <20170215144226.34519-2-andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-02-15 14:58 ` Andy Shevchenko [this message]
2017-02-15 14:42 ` [PATCH v1 3/6] iommu/dmar: Return directly from a loop in dmar_dev_scope_status() Andy Shevchenko
2017-02-15 14:42 ` [PATCH v1 4/6] iommu/dmar: Remove redundant assignment of ret Andy Shevchenko
2017-02-15 14:42 ` [PATCH v1 5/6] iommu/dmar: Remove redundant ' != 0' when check return code Andy Shevchenko
2017-02-15 14:42 ` [PATCH v1 6/6] iommu/vt-d: Use lo_hi_readq() / lo_hi_writeq() Andy Shevchenko
2017-02-20 11:58 ` [PATCH v1 1/6] iommu/dmar: Fix crash on boot when DMAR is disabled Andy Shevchenko
2017-02-22 11:26 ` Joerg Roedel
[not found] ` <20170222112617.GD4154-l3A5Bk7waGM@public.gmane.org>
2017-02-22 15:51 ` Andy Shevchenko
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