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path: root/drivers/acpi/utilities/utresrc.c
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Diffstat (limited to 'drivers/acpi/utilities/utresrc.c')
-rw-r--r--drivers/acpi/utilities/utresrc.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c
index 07a314c710d8..6c0ce7b12194 100644
--- a/drivers/acpi/utilities/utresrc.c
+++ b/drivers/acpi/utilities/utresrc.c
@@ -157,7 +157,7 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index)
/*
* 1) Validate the resource_type field (Byte 0)
*/
- resource_type = *((u8 *) aml);
+ resource_type = ACPI_GET8(aml);
/*
* Byte 0 contains the descriptor name (Resource Type)
@@ -266,14 +266,14 @@ u8 acpi_ut_get_resource_type(void *aml)
* Byte 0 contains the descriptor name (Resource Type)
* Examine the large/small bit in the resource header
*/
- if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
+ if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
/* Large Resource Type -- bits 6:0 contain the name */
- return (*((u8 *) aml));
+ return (ACPI_GET8(aml));
} else {
/* Small Resource Type -- bits 6:3 contain the name */
- return ((u8) (*((u8 *) aml) & ACPI_RESOURCE_NAME_SMALL_MASK));
+ return ((u8) (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_SMALL_MASK));
}
}
@@ -301,15 +301,15 @@ u16 acpi_ut_get_resource_length(void *aml)
* Byte 0 contains the descriptor name (Resource Type)
* Examine the large/small bit in the resource header
*/
- if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
+ if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
/* Large Resource type -- bytes 1-2 contain the 16-bit length */
- ACPI_MOVE_16_TO_16(&resource_length, &((u8 *) aml)[1]);
+ ACPI_MOVE_16_TO_16(&resource_length, ACPI_ADD_PTR(u8, aml, 1));
} else {
/* Small Resource type -- bits 2:0 of byte 0 contain the length */
- resource_length = (u16) (*((u8 *) aml) &
+ resource_length = (u16) (ACPI_GET8(aml) &
ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK);
}
@@ -334,7 +334,7 @@ u8 acpi_ut_get_resource_header_length(void *aml)
/* Examine the large/small bit in the resource header */
- if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
+ if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
return (sizeof(struct aml_resource_large_header));
} else {
return (sizeof(struct aml_resource_small_header));
@@ -372,8 +372,9 @@ u32 acpi_ut_get_descriptor_length(void *aml)
* FUNCTION: acpi_ut_get_resource_end_tag
*
* PARAMETERS: obj_desc - The resource template buffer object
+ * end_tag - Where the pointer to the end_tag is returned
*
- * RETURN: Pointer to the end tag
+ * RETURN: Status, pointer to the end tag
*
* DESCRIPTION: Find the end_tag resource descriptor in an AML resource template
*