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-rw-r--r--drivers/acpi/acpica/uterror.c6
-rw-r--r--drivers/acpi/battery.c9
-rw-r--r--drivers/acpi/pptt.c10
3 files changed, 16 insertions, 9 deletions
diff --git a/drivers/acpi/acpica/uterror.c b/drivers/acpi/acpica/uterror.c
index 5a64ddaed8a3..e47430272692 100644
--- a/drivers/acpi/acpica/uterror.c
+++ b/drivers/acpi/acpica/uterror.c
@@ -182,19 +182,19 @@ acpi_ut_prefixed_namespace_error(const char *module_name,
switch (lookup_status) {
case AE_ALREADY_EXISTS:
- acpi_os_printf("\n" ACPI_MSG_BIOS_ERROR);
+ acpi_os_printf(ACPI_MSG_BIOS_ERROR);
message = "Failure creating";
break;
case AE_NOT_FOUND:
- acpi_os_printf("\n" ACPI_MSG_BIOS_ERROR);
+ acpi_os_printf(ACPI_MSG_BIOS_ERROR);
message = "Could not resolve";
break;
default:
- acpi_os_printf("\n" ACPI_MSG_ERROR);
+ acpi_os_printf(ACPI_MSG_ERROR);
message = "Failure resolving";
break;
}
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index b0113a5802a3..d79ad844c78f 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -717,10 +717,11 @@ void battery_hook_register(struct acpi_battery_hook *hook)
*/
pr_err("extension failed to load: %s", hook->name);
__battery_hook_unregister(hook, 0);
- return;
+ goto end;
}
}
pr_info("new extension: %s\n", hook->name);
+end:
mutex_unlock(&hook_mutex);
}
EXPORT_SYMBOL_GPL(battery_hook_register);
@@ -732,7 +733,7 @@ EXPORT_SYMBOL_GPL(battery_hook_register);
*/
static void battery_hook_add_battery(struct acpi_battery *battery)
{
- struct acpi_battery_hook *hook_node;
+ struct acpi_battery_hook *hook_node, *tmp;
mutex_lock(&hook_mutex);
INIT_LIST_HEAD(&battery->list);
@@ -744,15 +745,15 @@ static void battery_hook_add_battery(struct acpi_battery *battery)
* when a battery gets hotplugged or initialized
* during the battery module initialization.
*/
- list_for_each_entry(hook_node, &battery_hook_list, list) {
+ list_for_each_entry_safe(hook_node, tmp, &battery_hook_list, list) {
if (hook_node->add_battery(battery->bat)) {
/*
* The notification of the extensions has failed, to
* prevent further errors we will unload the extension.
*/
- __battery_hook_unregister(hook_node, 0);
pr_err("error in extension, unloading: %s",
hook_node->name);
+ __battery_hook_unregister(hook_node, 0);
}
}
mutex_unlock(&hook_mutex);
diff --git a/drivers/acpi/pptt.c b/drivers/acpi/pptt.c
index e5ea1974d1e3..d1e26cb599bf 100644
--- a/drivers/acpi/pptt.c
+++ b/drivers/acpi/pptt.c
@@ -481,8 +481,14 @@ static int topology_get_acpi_cpu_tag(struct acpi_table_header *table,
if (cpu_node) {
cpu_node = acpi_find_processor_package_id(table, cpu_node,
level, flag);
- /* Only the first level has a guaranteed id */
- if (level == 0)
+ /*
+ * As per specification if the processor structure represents
+ * an actual processor, then ACPI processor ID must be valid.
+ * For processor containers ACPI_PPTT_ACPI_PROCESSOR_ID_VALID
+ * should be set if the UID is valid
+ */
+ if (level == 0 ||
+ cpu_node->flags & ACPI_PPTT_ACPI_PROCESSOR_ID_VALID)
return cpu_node->acpi_processor_id;
return ACPI_PTR_DIFF(cpu_node, table);
}