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ACPICA: Remove unused ACPI_FREE_BUFFER macro. No functional change.

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This macro is no longer used by ACPICA and it is not public.
Also update comments related to the use of ACPI_ALLOCATE_BUFFER and
the use of acpi_os_free (kfree is equivalent and prefered in the
kernel) to free the buffer.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lv Zheng
2014-01-08 13:43:23 +08:00
committed by Rafael J. Wysocki
parent 5af2b6351b
commit bb3fec146c
3 changed files with 22 additions and 23 deletions
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12
include/acpi/actypes.h
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@@ -928,22 +928,14 @@ struct acpi_object_list {
* Miscellaneous common Data Structures used by the interfaces
*/
#define ACPI_NO_BUFFER 0
#define ACPI_ALLOCATE_BUFFER (acpi_size) (-1)
#define ACPI_ALLOCATE_LOCAL_BUFFER (acpi_size) (-2)
#define ACPI_ALLOCATE_BUFFER (acpi_size) (-1) /* Let ACPICA allocate buffer */
#define ACPI_ALLOCATE_LOCAL_BUFFER (acpi_size) (-2) /* For internal use only (enables tracking) */
struct acpi_buffer {
acpi_size length; /* Length in bytes of the buffer */
void *pointer; /* pointer to buffer */
};
/*
* Free a buffer created in an struct acpi_buffer via ACPI_ALLOCATE_BUFFER.
* Note: We use acpi_os_free here because acpi_os_allocate was used to allocate
* the buffer. This purposefully bypasses the internal allocation tracking
* mechanism (if it is enabled).
*/
#define ACPI_FREE_BUFFER(b) acpi_os_free((b).pointer)
/*
* name_type for acpi_get_name
*/