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-rw-r--r--drivers/acpi/resources/rscalc.c16
-rw-r--r--drivers/acpi/resources/rslist.c3
-rw-r--r--drivers/acpi/resources/rsmisc.c6
-rw-r--r--drivers/acpi/resources/rsutils.c46
-rw-r--r--drivers/acpi/resources/rsxface.c2
5 files changed, 48 insertions, 25 deletions
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index 7d6481d9fbe..223bdc49326 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -78,6 +78,7 @@ static u8 acpi_rs_count_set_bits(u16 bit_field)
ACPI_FUNCTION_ENTRY();
for (bits_set = 0; bit_field; bits_set++) {
+
/* Zero the least significant bit that is set */
bit_field &= (bit_field - 1);
@@ -154,6 +155,7 @@ acpi_rs_stream_option_length(u32 resource_length,
* length, minus one byte for the resource_source_index itself.
*/
if (resource_length > minimum_aml_resource_length) {
+
/* Compute the length of the optional string */
string_length =
@@ -162,7 +164,7 @@ acpi_rs_stream_option_length(u32 resource_length,
/* Round up length to 32 bits for internal structure alignment */
- return (ACPI_ROUND_UP_to_32_bITS(string_length));
+ return ((u32) ACPI_ROUND_UP_to_32_bITS(string_length));
}
/*******************************************************************************
@@ -191,6 +193,7 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
/* Traverse entire list of internal resource descriptors */
while (resource) {
+
/* Validate the descriptor type */
if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
@@ -214,6 +217,7 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
* is a Large Resource data type.
*/
if (resource->data.vendor.byte_length > 7) {
+
/* Base size of a Large resource descriptor */
total_size =
@@ -346,6 +350,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
/* Walk the list of AML resource descriptors */
while (aml_buffer < end_aml) {
+
/* Validate the Resource Type and Resource Length */
status = acpi_ut_validate_resource(aml_buffer, &resource_index);
@@ -390,7 +395,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
* Vendor Resource:
* Ensure a 32-bit boundary for the structure
*/
- extra_struct_bytes =
+ extra_struct_bytes = (u32)
ACPI_ROUND_UP_to_32_bITS(resource_length) -
resource_length;
break;
@@ -407,7 +412,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
* Vendor Resource:
* Add vendor data and ensure a 32-bit boundary for the structure
*/
- extra_struct_bytes =
+ extra_struct_bytes = (u32)
ACPI_ROUND_UP_to_32_bITS(resource_length) -
resource_length;
break;
@@ -431,7 +436,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
*/
buffer++;
- extra_struct_bytes =
+ extra_struct_bytes = (u32)
/*
* Add 4 bytes for each additional interrupt. Note: at
* least one interrupt is required and is included in
@@ -450,7 +455,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
* Add the size of any optional data (resource_source)
* Ensure a 64-bit boundary for the structure
*/
- extra_struct_bytes =
+ extra_struct_bytes = (u32)
ACPI_ROUND_UP_to_64_bITS
(acpi_rs_stream_option_length
(resource_length, minimum_aml_resource_length));
@@ -525,6 +530,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
top_object_list = package_object->package.elements;
for (index = 0; index < number_of_elements; index++) {
+
/* Dereference the sub-package */
package_element = *top_object_list;
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c
index 1434e786477..c27dca64d5d 100644
--- a/drivers/acpi/resources/rslist.c
+++ b/drivers/acpi/resources/rslist.c
@@ -77,6 +77,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml, u32 aml_length, u8 * output_buffer)
/* Loop until end-of-buffer or an end_tag is found */
while (aml < end_aml) {
+
/* Validate the Resource Type and Resource Length */
status = acpi_ut_validate_resource(aml, &resource_index);
@@ -155,6 +156,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
/* Walk the resource descriptor list, convert each descriptor */
while (aml < end_aml) {
+
/* Validate the (internal) Resource Type */
if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
@@ -191,6 +193,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
/* Check for end-of-list, normal exit */
if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
+
/* An End Tag indicates the end of the input Resource Template */
return_ACPI_STATUS(AE_OK);
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c
index ed866cf1c6d..095730196a8 100644
--- a/drivers/acpi/resources/rsmisc.c
+++ b/drivers/acpi/resources/rsmisc.c
@@ -84,6 +84,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
ACPI_FUNCTION_TRACE("rs_get_resource");
if (((acpi_native_uint) resource) & 0x3) {
+
/* Each internal resource struct is expected to be 32-bit aligned */
ACPI_WARNING((AE_INFO,
@@ -295,9 +296,11 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
exit:
if (!flags_mode) {
+
/* Round the resource struct length up to the next 32-bit boundary */
- resource->length = ACPI_ROUND_UP_to_32_bITS(resource->length);
+ resource->length =
+ (u32) ACPI_ROUND_UP_to_32_bITS(resource->length);
}
return_ACPI_STATUS(AE_OK);
}
@@ -535,6 +538,7 @@ if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) {
resource->data.extended_irq.interrupt_count = temp8;
if (temp8 < 1) {
+
/* Must have at least one IRQ */
return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/resources/rsutils.c
index 25b5aedd661..c5f7014929b 100644
--- a/drivers/acpi/resources/rsutils.c
+++ b/drivers/acpi/resources/rsutils.c
@@ -205,6 +205,7 @@ acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
/* Length is stored differently for large and small descriptors */
if (aml->small_header.descriptor_type & ACPI_RESOURCE_NAME_LARGE) {
+
/* Large descriptor -- bytes 1-2 contain the 16-bit length */
ACPI_MOVE_16_TO_16(&aml->large_header.resource_length,
@@ -328,6 +329,7 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
* we add 1 to the minimum length.
*/
if (total_length > (acpi_rsdesc_size) (minimum_length + 1)) {
+
/* Get the resource_source_index */
resource_source->index = aml_resource_source[0];
@@ -351,16 +353,20 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
* Zero the entire area of the buffer.
*/
total_length =
+ (u32)
ACPI_ROUND_UP_to_32_bITS(ACPI_STRLEN
- ((char *)&aml_resource_source[1]) +
- 1);
+ (ACPI_CAST_PTR
+ (char,
+ &aml_resource_source[1])) + 1);
+
ACPI_MEMSET(resource_source->string_ptr, 0, total_length);
/* Copy the resource_source string to the destination */
resource_source->string_length =
acpi_rs_strcpy(resource_source->string_ptr,
- (char *)&aml_resource_source[1]);
+ ACPI_CAST_PTR(char,
+ &aml_resource_source[1]));
return ((acpi_rs_length) total_length);
}
@@ -405,6 +411,7 @@ acpi_rs_set_resource_source(union aml_resource * aml,
/* Non-zero string length indicates presence of a resource_source */
if (resource_source->string_length) {
+
/* Point to the end of the AML descriptor */
aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length);
@@ -415,7 +422,7 @@ acpi_rs_set_resource_source(union aml_resource * aml,
/* Copy the resource_source string */
- ACPI_STRCPY((char *)&aml_resource_source[1],
+ ACPI_STRCPY(ACPI_CAST_PTR(char, &aml_resource_source[1]),
resource_source->string_ptr);
/*
@@ -435,9 +442,9 @@ acpi_rs_set_resource_source(union aml_resource * aml,
*
* FUNCTION: acpi_rs_get_prt_method_data
*
- * PARAMETERS: Handle - a handle to the containing object
- * ret_buffer - a pointer to a buffer structure for the
- * results
+ * PARAMETERS: Handle - Handle to the containing object
+ * ret_buffer - Pointer to a buffer structure for the
+ * results
*
* RETURN: Status
*
@@ -483,9 +490,9 @@ acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer * ret_buffer)
*
* FUNCTION: acpi_rs_get_crs_method_data
*
- * PARAMETERS: Handle - a handle to the containing object
- * ret_buffer - a pointer to a buffer structure for the
- * results
+ * PARAMETERS: Handle - Handle to the containing object
+ * ret_buffer - Pointer to a buffer structure for the
+ * results
*
* RETURN: Status
*
@@ -532,9 +539,9 @@ acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
*
* FUNCTION: acpi_rs_get_prs_method_data
*
- * PARAMETERS: Handle - a handle to the containing object
- * ret_buffer - a pointer to a buffer structure for the
- * results
+ * PARAMETERS: Handle - Handle to the containing object
+ * ret_buffer - Pointer to a buffer structure for the
+ * results
*
* RETURN: Status
*
@@ -583,10 +590,10 @@ acpi_rs_get_prs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
*
* FUNCTION: acpi_rs_get_method_data
*
- * PARAMETERS: Handle - a handle to the containing object
+ * PARAMETERS: Handle - Handle to the containing object
* Path - Path to method, relative to Handle
- * ret_buffer - a pointer to a buffer structure for the
- * results
+ * ret_buffer - Pointer to a buffer structure for the
+ * results
*
* RETURN: Status
*
@@ -634,9 +641,9 @@ acpi_rs_get_method_data(acpi_handle handle,
*
* FUNCTION: acpi_rs_set_srs_method_data
*
- * PARAMETERS: Handle - a handle to the containing object
- * in_buffer - a pointer to a buffer structure of the
- * parameter
+ * PARAMETERS: Handle - Handle to the containing object
+ * in_buffer - Pointer to a buffer structure of the
+ * parameter
*
* RETURN: Status
*
@@ -696,6 +703,7 @@ acpi_rs_set_srs_method_data(acpi_handle handle, struct acpi_buffer *in_buffer)
status = acpi_ns_evaluate_relative(METHOD_NAME__SRS, &info);
if (ACPI_SUCCESS(status)) {
+
/* Delete any return object (especially if implicit_return is enabled) */
if (info.return_object) {
diff --git a/drivers/acpi/resources/rsxface.c b/drivers/acpi/resources/rsxface.c
index 88b67077aee..2e1bc71acd9 100644
--- a/drivers/acpi/resources/rsxface.c
+++ b/drivers/acpi/resources/rsxface.c
@@ -279,6 +279,7 @@ acpi_walk_resources(acpi_handle device_handle,
/* Walk the resource list until the end_tag is found (or buffer end) */
while (resource < resource_end) {
+
/* Sanity check the resource */
if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
@@ -291,6 +292,7 @@ acpi_walk_resources(acpi_handle device_handle,
status = user_function(resource, context);
if (ACPI_FAILURE(status)) {
if (status == AE_CTRL_TERMINATE) {
+
/* This is an OK termination by the user function */
status = AE_OK;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-22 08:16:48 +0000