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| author | Bob Moore <robert.moore@intel.com> | 2013-10-29 09:29:57 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-10-31 14:35:33 +0100 |
| commit | bb1cab3d52375b5007645ca55d2b55167e5f757b (patch) | |
| tree | fa325a582fcda8db5a0455e98890b4b1e317f313 /include/acpi | |
| parent | 839e928f5bbb695c31ddc23cf3fae3cf1c9e9f20 (diff) | |
| download | op-kernel-dev-bb1cab3d52375b5007645ca55d2b55167e5f757b.zip op-kernel-dev-bb1cab3d52375b5007645ca55d2b55167e5f757b.tar.gz | |
ACPICA: Clarify ACPI_FREE_BUFFER usage.
Add a comment to clarify reason for using ACPI_FREE_BUFFER directly
instead of ACPI_FREE.
In addition to that, change one instance in which ACPI_FREE_BUFFER()
should be used instead of ACPI_FREE().
[rjw: Subject and changelog]
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/actypes.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index 63909d9..0bb23e6 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -919,9 +919,13 @@ struct acpi_buffer { void *pointer; /* pointer to buffer */ }; -/* Free a buffer created in an struct acpi_buffer via ACPI_ALLOCATE_LOCAL_BUFFER */ - -#define ACPI_FREE_BUFFER(b) ACPI_FREE(b.pointer) +/* + * 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 |
