diff options
Diffstat (limited to 'drivers/acpi/parser/psscope.c')
| -rw-r--r-- | drivers/acpi/parser/psscope.c | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/parser/psscope.c index dcbed49608b0..8dcd1b1e7131 100644 --- a/drivers/acpi/parser/psscope.c +++ b/drivers/acpi/parser/psscope.c @@ -65,6 +65,7 @@ union acpi_parse_object * acpi_ps_get_parent_scope ( struct acpi_parse_state *parser_state) { + return (parser_state->scope->parse_scope.op); } @@ -87,8 +88,10 @@ u8 acpi_ps_has_completed_scope ( struct acpi_parse_state *parser_state) { - return ((u8) ((parser_state->aml >= parser_state->scope->parse_scope.arg_end || - !parser_state->scope->parse_scope.arg_count))); + + return ((u8) + ((parser_state->aml >= parser_state->scope->parse_scope.arg_end || + !parser_state->scope->parse_scope.arg_count))); } @@ -167,23 +170,23 @@ acpi_ps_push_scope ( return_ACPI_STATUS (AE_NO_MEMORY); } - scope->common.data_type = ACPI_DESC_TYPE_STATE_PSCOPE; - scope->parse_scope.op = op; - scope->parse_scope.arg_list = remaining_args; - scope->parse_scope.arg_count = arg_count; - scope->parse_scope.pkg_end = parser_state->pkg_end; + scope->common.data_type = ACPI_DESC_TYPE_STATE_PSCOPE; + scope->parse_scope.op = op; + scope->parse_scope.arg_list = remaining_args; + scope->parse_scope.arg_count = arg_count; + scope->parse_scope.pkg_end = parser_state->pkg_end; /* Push onto scope stack */ acpi_ut_push_generic_state (&parser_state->scope, scope); if (arg_count == ACPI_VAR_ARGS) { - /* multiple arguments */ + /* Multiple arguments */ scope->parse_scope.arg_end = parser_state->pkg_end; } else { - /* single argument */ + /* Single argument */ scope->parse_scope.arg_end = ACPI_TO_POINTER (ACPI_MAX_PTR); } @@ -221,18 +224,17 @@ acpi_ps_pop_scope ( ACPI_FUNCTION_TRACE ("ps_pop_scope"); - /* - * Only pop the scope if there is in fact a next scope - */ + /* Only pop the scope if there is in fact a next scope */ + if (scope->common.next) { scope = acpi_ut_pop_generic_state (&parser_state->scope); /* return to parsing previous op */ - *op = scope->parse_scope.op; - *arg_list = scope->parse_scope.arg_list; - *arg_count = scope->parse_scope.arg_count; - parser_state->pkg_end = scope->parse_scope.pkg_end; + *op = scope->parse_scope.op; + *arg_list = scope->parse_scope.arg_list; + *arg_count = scope->parse_scope.arg_count; + parser_state->pkg_end = scope->parse_scope.pkg_end; /* All done with this scope state structure */ @@ -241,12 +243,13 @@ acpi_ps_pop_scope ( else { /* empty parse stack, prepare to fetch next opcode */ - *op = NULL; - *arg_list = 0; - *arg_count = 0; + *op = NULL; + *arg_list = 0; + *arg_count = 0; } - ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped Op %p Args %X\n", *op, *arg_count)); + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, + "Popped Op %p Args %X\n", *op, *arg_count)); return_VOID; } @@ -257,7 +260,7 @@ acpi_ps_pop_scope ( * * PARAMETERS: parser_state - Current parser state object * - * RETURN: Status + * RETURN: None * * DESCRIPTION: Destroy available list, remaining stack levels, and return * root scope |