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-rw-r--r--drivers/acpi/acpica/Makefile2
-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/hwvalid.c7
-rw-r--r--drivers/acpi/acpica/nsrepair.c12
-rw-r--r--drivers/acpi/acpica/psopcode.c2
-rw-r--r--drivers/acpi/acpica/utcopy.c7
8 files changed, 32 insertions, 22 deletions
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index 59700433a96e..f919811156b1 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/dbnames.c b/drivers/acpi/acpica/dbnames.c
index 63fe30e86807..7f14403165dd 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 f59b4d944f7f..603483f8332b 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;
}
next_walk_state->method_nesting_depth =
@@ -575,6 +575,12 @@ 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 de79f835a373..7979d52dfbc9 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/hwvalid.c b/drivers/acpi/acpica/hwvalid.c
index cd576153257c..f1495b88bf13 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/nsrepair.c b/drivers/acpi/acpica/nsrepair.c
index be86fea8e4d4..57e6488f6933 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/psopcode.c b/drivers/acpi/acpica/psopcode.c
index 43775c5ce17c..2f9b226ec4f6 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 1fb8327f3c3b..9c0b94d1c4ba 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);
}