From: Toshi Kani <toshi.kani@hp.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux PCI <linux-pci@vger.kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Yinghai Lu <yinghai@kernel.org>
Subject: Re: [PATCH 3/3] ACPI / PCI root: Clear driver_data before failing enumeration
Date: Mon, 18 Nov 2013 11:10:38 -0700 [thread overview]
Message-ID: <1384798238.1791.15.camel@misato.fc.hp.com> (raw)
In-Reply-To: <6884617.gWRuZsFG3E@vostro.rjw.lan>
On Thu, 2013-11-14 at 00:17 +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> If a PCI host bridge cannot be enumerated due to an error in
> pci_acpi_scan_root(), its ACPI device object's driver_data field
> has to be cleared by acpi_pci_root_add() before freeing the
> object pointed to by that field, or some later acpi_pci_find_root()
> checks that should fail may succeed and cause quite a bit of
> confusion to ensue.
>
> Fix acpi_pci_root_add() to clear device->driver_data before
> returning an error code as appropriate.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
Thanks,
-Toshi
prev parent reply other threads:[~2013-11-18 18:15 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-13 23:14 [PATCH 0/3] ACPI hotplug fixes for 3.13 Rafael J. Wysocki
2013-11-13 23:15 ` [PATCH 1/3] ACPI / hotplug: Fix acpi_bus_get_device() return value check Rafael J. Wysocki
2013-11-18 18:03 ` Toshi Kani
2013-11-13 23:16 ` [PATCH 2/3] ACPI / hotplug: Fix PCI host bridge hot removal Rafael J. Wysocki
2013-11-18 18:10 ` Toshi Kani
2013-11-18 21:39 ` Rafael J. Wysocki
2013-11-18 23:13 ` Toshi Kani
2013-11-19 17:48 ` Toshi Kani
2013-11-19 21:10 ` Rafael J. Wysocki
2013-11-19 21:58 ` Toshi Kani
2013-11-19 23:42 ` Rafael J. Wysocki
2013-11-20 0:08 ` Rafael J. Wysocki
2013-11-20 1:22 ` Toshi Kani
2013-11-20 11:56 ` Rafael J. Wysocki
2013-11-20 15:36 ` Toshi Kani
2013-11-13 23:17 ` [PATCH 3/3] ACPI / PCI root: Clear driver_data before failing enumeration Rafael J. Wysocki
2013-11-18 18:10 ` Toshi Kani [this message]
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