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-rw-r--r--drivers/acpi/acpica/Makefile2
-rw-r--r--drivers/acpi/acpica/acglobal.h2
-rw-r--r--drivers/acpi/acpica/dbnames.c3
-rw-r--r--drivers/acpi/acpica/dsmethod.c10
-rw-r--r--drivers/acpi/acpica/dswstate.c11
-rw-r--r--drivers/acpi/acpica/exoparg1.c3
-rw-r--r--drivers/acpi/acpica/hwesleep.c12
-rw-r--r--drivers/acpi/acpica/hwsleep.c15
-rw-r--r--drivers/acpi/acpica/hwvalid.c7
-rw-r--r--drivers/acpi/acpica/hwxfsleep.c9
-rw-r--r--drivers/acpi/acpica/nsrepair.c12
-rw-r--r--drivers/acpi/acpica/nswalk.c3
-rw-r--r--drivers/acpi/acpica/psopcode.c2
-rw-r--r--drivers/acpi/acpica/utcopy.c7
-rw-r--r--drivers/acpi/acpica/utdelete.c1
15 files changed, 59 insertions, 40 deletions
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index 71f6f2624deb..8ce51f0f40ce 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -3,7 +3,7 @@
# Makefile for ACPICA Core interpreter
#
-ccflags-y := -Os -D_LINUX -DBUILDING_ACPICA
+ccflags-y := -D_LINUX -DBUILDING_ACPICA
ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT
# use acpi.o to put all files here into acpi.o modparam namespace
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 1e6204518496..38712fa4dd9d 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -224,6 +224,8 @@ extern struct acpi_bit_register_info
acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a);
ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b);
+ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a_s0);
+ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b_s0);
/*****************************************************************************
*
diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c
index 992bd7b92540..49afba8c916a 100644
--- a/drivers/acpi/acpica/dbnames.c
+++ b/drivers/acpi/acpica/dbnames.c
@@ -571,6 +571,9 @@ acpi_status acpi_db_display_objects(char *obj_type_arg, char *display_count_arg)
object_info =
ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_object_info));
+ if (!object_info)
+ return (AE_NO_MEMORY);
+
/* Walk the namespace from the root */
(void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index dd4deb678d13..a00516d9538c 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -517,7 +517,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
if (!info) {
status = AE_NO_MEMORY;
- goto cleanup;
+ goto pop_walk_state;
}
info->parameters = &this_walk_state->operands[0];
@@ -529,7 +529,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
ACPI_FREE(info);
if (ACPI_FAILURE(status)) {
- goto cleanup;
+ goto pop_walk_state;
}
/*
@@ -561,6 +561,12 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
return_ACPI_STATUS(status);
+pop_walk_state:
+
+ /* On error, pop the walk state to be deleted from thread */
+
+ acpi_ds_pop_walk_state(thread);
+
cleanup:
/* On error, we must terminate the method properly */
diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c
index c879380e5ce1..ddafbf44158c 100644
--- a/drivers/acpi/acpica/dswstate.c
+++ b/drivers/acpi/acpica/dswstate.c
@@ -576,9 +576,14 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
ACPI_FUNCTION_TRACE(ds_init_aml_walk);
walk_state->parser_state.aml =
- walk_state->parser_state.aml_start = aml_start;
- walk_state->parser_state.aml_end =
- walk_state->parser_state.pkg_end = aml_start + aml_length;
+ walk_state->parser_state.aml_start =
+ walk_state->parser_state.aml_end =
+ walk_state->parser_state.pkg_end = aml_start;
+ /* Avoid undefined behavior: applying zero offset to null pointer */
+ if (aml_length != 0) {
+ walk_state->parser_state.aml_end += aml_length;
+ walk_state->parser_state.pkg_end += aml_length;
+ }
/* The next_op of the next_walk will be the beginning of the method */
diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c
index ba9fbae0cf91..319f4bc6a839 100644
--- a/drivers/acpi/acpica/exoparg1.c
+++ b/drivers/acpi/acpica/exoparg1.c
@@ -1007,7 +1007,8 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
(walk_state, return_desc,
&temp_desc);
if (ACPI_FAILURE(status)) {
- goto cleanup;
+ return_ACPI_STATUS
+ (status);
}
return_desc = temp_desc;
diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c
index e0ad3f11142e..9380a5e214da 100644
--- a/drivers/acpi/acpica/hwesleep.c
+++ b/drivers/acpi/acpica/hwesleep.c
@@ -104,7 +104,9 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state)
/* Flush caches, as per ACPI specification */
- ACPI_FLUSH_CPU_CACHE();
+ if (sleep_state < ACPI_STATE_S4) {
+ ACPI_FLUSH_CPU_CACHE();
+ }
status = acpi_os_enter_sleep(sleep_state, sleep_control, 0);
if (status == AE_CTRL_TERMINATE) {
@@ -147,17 +149,13 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state)
acpi_status acpi_hw_extended_wake_prep(u8 sleep_state)
{
- acpi_status status;
u8 sleep_type_value;
ACPI_FUNCTION_TRACE(hw_extended_wake_prep);
- status = acpi_get_sleep_type_data(ACPI_STATE_S0,
- &acpi_gbl_sleep_type_a,
- &acpi_gbl_sleep_type_b);
- if (ACPI_SUCCESS(status)) {
+ if (acpi_gbl_sleep_type_a_s0 != ACPI_SLEEP_TYPE_INVALID) {
sleep_type_value =
- ((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) &
+ ((acpi_gbl_sleep_type_a_s0 << ACPI_X_SLEEP_TYPE_POSITION) &
ACPI_X_SLEEP_TYPE_MASK);
(void)acpi_write((u64)(sleep_type_value | ACPI_X_SLEEP_ENABLE),
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index d8b8fc2ff563..6368ff544af1 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -110,7 +110,9 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
/* Flush caches, as per ACPI specification */
- ACPI_FLUSH_CPU_CACHE();
+ if (sleep_state < ACPI_STATE_S4) {
+ ACPI_FLUSH_CPU_CACHE();
+ }
status = acpi_os_enter_sleep(sleep_state, pm1a_control, pm1b_control);
if (status == AE_CTRL_TERMINATE) {
@@ -179,7 +181,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
{
- acpi_status status;
+ acpi_status status = AE_OK;
struct acpi_bit_register_info *sleep_type_reg_info;
struct acpi_bit_register_info *sleep_enable_reg_info;
u32 pm1a_control;
@@ -192,10 +194,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
* This is unclear from the ACPI Spec, but it is required
* by some machines.
*/
- status = acpi_get_sleep_type_data(ACPI_STATE_S0,
- &acpi_gbl_sleep_type_a,
- &acpi_gbl_sleep_type_b);
- if (ACPI_SUCCESS(status)) {
+ if (acpi_gbl_sleep_type_a_s0 != ACPI_SLEEP_TYPE_INVALID) {
sleep_type_reg_info =
acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_TYPE);
sleep_enable_reg_info =
@@ -216,9 +215,9 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
/* Insert the SLP_TYP bits */
- pm1a_control |= (acpi_gbl_sleep_type_a <<
+ pm1a_control |= (acpi_gbl_sleep_type_a_s0 <<
sleep_type_reg_info->bit_position);
- pm1b_control |= (acpi_gbl_sleep_type_b <<
+ pm1b_control |= (acpi_gbl_sleep_type_b_s0 <<
sleep_type_reg_info->bit_position);
/* Write the control registers and ignore any errors */
diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c
index 24f9b61aa404..b081177c421a 100644
--- a/drivers/acpi/acpica/hwvalid.c
+++ b/drivers/acpi/acpica/hwvalid.c
@@ -23,8 +23,8 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width);
*
* The table is used to implement the Microsoft port access rules that
* first appeared in Windows XP. Some ports are always illegal, and some
- * ports are only illegal if the BIOS calls _OSI with a win_XP string or
- * later (meaning that the BIOS itelf is post-XP.)
+ * ports are only illegal if the BIOS calls _OSI with nothing newer than
+ * the specific _OSI strings.
*
* This provides ACPICA with the desired port protections and
* Microsoft compatibility.
@@ -145,7 +145,8 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width)
/* Port illegality may depend on the _OSI calls made by the BIOS */
- if (acpi_gbl_osi_data >= port_info->osi_dependency) {
+ if (port_info->osi_dependency == ACPI_ALWAYS_ILLEGAL ||
+ acpi_gbl_osi_data == port_info->osi_dependency) {
ACPI_DEBUG_PRINT((ACPI_DB_VALUES,
"Denied AML access to port 0x%8.8X%8.8X/%X (%s 0x%.4X-0x%.4X)\n",
ACPI_FORMAT_UINT64(address),
diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
index 3f22f7dd4556..d0dca7dae080 100644
--- a/drivers/acpi/acpica/hwxfsleep.c
+++ b/drivers/acpi/acpica/hwxfsleep.c
@@ -189,8 +189,6 @@ acpi_status acpi_enter_sleep_state_s4bios(void)
return_ACPI_STATUS(status);
}
- ACPI_FLUSH_CPU_CACHE();
-
status = acpi_hw_write_port(acpi_gbl_FADT.smi_command,
(u32)acpi_gbl_FADT.s4_bios_request, 8);
@@ -288,6 +286,13 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
return_ACPI_STATUS(status);
}
+ status = acpi_get_sleep_type_data(ACPI_STATE_S0,
+ &acpi_gbl_sleep_type_a_s0,
+ &acpi_gbl_sleep_type_b_s0);
+ if (ACPI_FAILURE(status)) {
+ acpi_gbl_sleep_type_a_s0 = ACPI_SLEEP_TYPE_INVALID;
+ }
+
/* Execute the _PTS method (Prepare To Sleep) */
arg_list.count = 1;
diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c
index ff2ab8fbec38..8de80bf7802b 100644
--- a/drivers/acpi/acpica/nsrepair.c
+++ b/drivers/acpi/acpica/nsrepair.c
@@ -181,8 +181,9 @@ acpi_ns_simple_repair(struct acpi_evaluate_info *info,
* Try to fix if there was no return object. Warning if failed to fix.
*/
if (!return_object) {
- if (expected_btypes && (!(expected_btypes & ACPI_RTYPE_NONE))) {
- if (package_index != ACPI_NOT_PACKAGE_ELEMENT) {
+ if (expected_btypes) {
+ if (!(expected_btypes & ACPI_RTYPE_NONE) &&
+ package_index != ACPI_NOT_PACKAGE_ELEMENT) {
ACPI_WARN_PREDEFINED((AE_INFO,
info->full_pathname,
ACPI_WARN_ALWAYS,
@@ -196,14 +197,15 @@ acpi_ns_simple_repair(struct acpi_evaluate_info *info,
if (ACPI_SUCCESS(status)) {
return (AE_OK); /* Repair was successful */
}
- } else {
+ }
+
+ if (expected_btypes != ACPI_RTYPE_NONE) {
ACPI_WARN_PREDEFINED((AE_INFO,
info->full_pathname,
ACPI_WARN_ALWAYS,
"Missing expected return value"));
+ return (AE_AML_NO_RETURN_VALUE);
}
-
- return (AE_AML_NO_RETURN_VALUE);
}
}
diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c
index e9a061da9bb2..c325789a62bf 100644
--- a/drivers/acpi/acpica/nswalk.c
+++ b/drivers/acpi/acpica/nswalk.c
@@ -169,6 +169,9 @@ acpi_ns_walk_namespace(acpi_object_type type,
if (start_node == ACPI_ROOT_OBJECT) {
start_node = acpi_gbl_root_node;
+ if (!start_node) {
+ return_ACPI_STATUS(AE_NO_NAMESPACE);
+ }
}
/* Null child means "get first node" */
diff --git a/drivers/acpi/acpica/psopcode.c b/drivers/acpi/acpica/psopcode.c
index 8d7dc98bad17..ca01e02af9cb 100644
--- a/drivers/acpi/acpica/psopcode.c
+++ b/drivers/acpi/acpica/psopcode.c
@@ -603,7 +603,7 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = {
/* 7E */ ACPI_OP("Timer", ARGP_TIMER_OP, ARGI_TIMER_OP, ACPI_TYPE_ANY,
AML_CLASS_EXECUTE, AML_TYPE_EXEC_0A_0T_1R,
- AML_FLAGS_EXEC_0A_0T_1R),
+ AML_FLAGS_EXEC_0A_0T_1R | AML_NO_OPERAND_RESOLVE),
/* ACPI 5.0 opcodes */
diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c
index a872ed7879ca..056c1741c1e3 100644
--- a/drivers/acpi/acpica/utcopy.c
+++ b/drivers/acpi/acpica/utcopy.c
@@ -916,13 +916,6 @@ acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj,
status = acpi_ut_walk_package_tree(source_obj, dest_obj,
acpi_ut_copy_ielement_to_ielement,
walk_state);
- if (ACPI_FAILURE(status)) {
-
- /* On failure, delete the destination package object */
-
- acpi_ut_remove_reference(dest_obj);
- }
-
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index 0dc8dea81582..db79a826e6b8 100644
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -410,6 +410,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
ACPI_WARNING((AE_INFO,
"Obj %p, Reference Count is already zero, cannot decrement\n",
object));
+ return;
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_ALLOCATIONS,