From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date: Mon, 27 Jan 2014 22:08:09 +0000 (+0100)
Subject: ACPI / scan: Clear match_driver flag in acpi_bus_trim()
X-Git-Tag: v3.14-rc1~21^2~1^3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a951c773bc39677ef3fa42814be7f5218a3100b2;p=pandora-kernel.git

ACPI / scan: Clear match_driver flag in acpi_bus_trim()

Drivers should not bind to struct acpi_device objects that
acpi_bus_trim() has been called for, so make that function
clear flags.match_driver for those objects.

If that is not done, an ACPI driver may theoretically try to operate
a device that is not physically present.

Fixes: 202317a573b2 (ACPI / scan: Add acpi_device objects for all device nodes in the namespace)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
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