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authorDavid E. Box <david.e.box@linux.intel.com>2014-04-30 10:04:20 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-05-07 00:55:00 +0200
commitc28fa24b97789bd61b09014380a2eb71a522090a (patch)
tree9e2aaeec4097c6863a7e90b1b315b9c00a14cd38 /drivers/acpi
parent92cb3a8d37b96f6aeee9ebe5336dd8a8e67580a4 (diff)
downloadlinux-c28fa24b97789bd61b09014380a2eb71a522090a.tar.bz2
ACPICA: Update handling of PCI ID lists.
More of a style cleanup. If hw_build_pci_list is to return a non-zero status, it now deletes any partial ID list that has been constructed. If it returns AE_OK, the caller is responsible for list deletion. David Box. Signed-off-by: David E. Box <david.e.box@linux.intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/acpica/hwpci.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/acpi/acpica/hwpci.c b/drivers/acpi/acpica/hwpci.c
index e701d8c33dbf..6aade8e1d2a1 100644
--- a/drivers/acpi/acpica/hwpci.c
+++ b/drivers/acpi/acpica/hwpci.c
@@ -140,11 +140,12 @@ acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id,
/* Walk the list, updating the PCI device/function/bus numbers */
status = acpi_hw_process_pci_list(pci_id, list_head);
- }
- /* Always delete the list */
+ /* Delete the list */
+
+ acpi_hw_delete_pci_list(list_head);
+ }
- acpi_hw_delete_pci_list(list_head);
return_ACPI_STATUS(status);
}
@@ -187,6 +188,10 @@ acpi_hw_build_pci_list(acpi_handle root_pci_device,
while (1) {
status = acpi_get_parent(current_device, &parent_device);
if (ACPI_FAILURE(status)) {
+
+ /* Must delete the list before exit */
+
+ acpi_hw_delete_pci_list(*return_list_head);
return (status);
}
@@ -199,6 +204,10 @@ acpi_hw_build_pci_list(acpi_handle root_pci_device,
list_element = ACPI_ALLOCATE(sizeof(struct acpi_pci_device));
if (!list_element) {
+
+ /* Must delete the list before exit */
+
+ acpi_hw_delete_pci_list(*return_list_head);
return (AE_NO_MEMORY);
}