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ACPICA: Clarify ACPI_FREE_BUFFER usage.

Browse source 
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 <[email protected]>
Signed-off-by: Lv Zheng <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Bob Moore 2013-10-29 09:29:57 +08:00 • committed by Rafael J. Wysocki
commit bb1cab3d52
2 changed files with 8 additions and 4 deletions
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10
include/acpi/actypes.h
View file

@ -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