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ACPI: Clean up memory allocations 

Use acpi_os_allocate_zeroed instead of acpi_os_allocate + memset.

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
[rjw: Subject and changelog]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
jhbird.choi@samsung.com 2014-03-20 16:35:56 +09:00 committed by Rafael J. Wysocki
parent 70f6c08757
commit 2d0acb4af9
2 changed files with 2 additions and 4 deletions
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3
drivers/acpi/osl.c
View File

@ -1219,10 +1219,9 @@ acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_handle * handle)
{
struct semaphore *sem = NULL;
sem = acpi_os_allocate(sizeof(struct semaphore));
sem = acpi_os_allocate_zeroed(sizeof(struct semaphore));
if (!sem)
return AE_NO_MEMORY;
memset(sem, 0, sizeof(struct semaphore));
sema_init(sem, initial_units);

3
drivers/acpi/utils.c
View File

@ -164,11 +164,10 @@ acpi_extract_package(union acpi_object *package,
* Validate output buffer.
*/
if (buffer->length == ACPI_ALLOCATE_BUFFER) {
buffer->pointer = ACPI_ALLOCATE(size_required);
buffer->pointer = ACPI_ALLOCATE_ZEROED(size_required);
if (!buffer->pointer)
return AE_NO_MEMORY;
buffer->length = size_required;
memset(buffer->pointer, 0, size_required);
} else {
if (buffer->length < size_required) {
buffer->length = size_required;