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path: root/drivers/acpi/parser/psparse.c
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Diffstat (limited to 'drivers/acpi/parser/psparse.c')
-rw-r--r--drivers/acpi/parser/psparse.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index a9f3229..83d8916 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -106,6 +106,7 @@ u16 acpi_ps_peek_opcode(struct acpi_parse_state * parser_state)
opcode = (u16) ACPI_GET8(aml);
if (opcode == AML_EXTENDED_OP_PREFIX) {
+
/* Extended opcode, get the second opcode byte */
aml++;
@@ -158,6 +159,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
if (op->common.parent) {
prev = op->common.parent->common.value.arg;
if (!prev) {
+
/* Nothing more to do */
goto cleanup;
@@ -245,6 +247,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
/* We must unlink this op from the parent tree */
if (prev == op) {
+
/* This op is the first in the list */
if (replacement_op) {
@@ -265,6 +268,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
else
while (prev) {
+
/* Traverse all siblings in the parent's argument list */
next = prev->common.next;
@@ -510,6 +514,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
} else if (status == AE_CTRL_TERMINATE) {
status = AE_OK;
} else if ((status != AE_OK) && (walk_state->method_desc)) {
+
/* Either the method parse or actual execution failed */
ACPI_ERROR_METHOD("Method parse/execution failed",
@@ -551,6 +556,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
if (((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
ACPI_PARSE_EXECUTE) || (ACPI_FAILURE(status))) {
if (walk_state->method_desc) {
+
/* Decrement the thread count on the method parse tree */
if (walk_state->method_desc->method.
@@ -633,12 +639,14 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
}
} else {
if (previous_walk_state->return_desc) {
+
/* Caller doesn't want it, must delete it */
acpi_ut_remove_reference(previous_walk_state->
return_desc);
}
if (previous_walk_state->implicit_return_obj) {
+
/* Caller doesn't want it, must delete it */
acpi_ut_remove_reference(previous_walk_state->
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