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authorLv Zheng <lv.zheng@intel.com>2013-10-31 09:29:49 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-10-31 14:37:31 +0100
commitbb42cc224a4626f9eaef34d9a334f0dc65133c40 (patch)
treef64eb371932e1d42412ce446a6e8584b3a423ad4
parentaffffae367c7ee1003232201c52db1fd7dd4f472 (diff)
downloadlinux-bb42cc224a4626f9eaef34d9a334f0dc65133c40.tar.gz
ACPICA: Update default space handlers.
This patch adds code that is already in ACPICA upstream, so applying
it can help to reduce the source code differences between Linux and
ACPICA upstream.

This code fragment is only useful for ACPICA utilities and no
functional changes to the Linux kernel should result from it.

[rjw: Changelog]
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--drivers/acpi/acpica/exregion.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
index 303429bb4d5d..9d28867e60dc 100644
--- a/drivers/acpi/acpica/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -400,6 +400,7 @@ acpi_ex_pci_config_space_handler(u32 function,
 	switch (function) {
 	case ACPI_READ:
 
+		*value = 0;
 		status = acpi_os_read_pci_configuration(pci_id, pci_register,
 							value, bit_width);
 		break;