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path: root/drivers/acpi/executer/exstorob.c
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Diffstat (limited to 'drivers/acpi/executer/exstorob.c')
-rw-r--r--drivers/acpi/executer/exstorob.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/executer/exstorob.c
index 6ab707087750..99ebe5adfcda 100644
--- a/drivers/acpi/executer/exstorob.c
+++ b/drivers/acpi/executer/exstorob.c
@@ -67,7 +67,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
u32 length;
u8 *buffer;
- ACPI_FUNCTION_TRACE_PTR("ex_store_buffer_to_buffer", source_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_store_buffer_to_buffer, source_desc);
/* We know that source_desc is a buffer by now */
@@ -80,7 +80,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
*/
if ((target_desc->buffer.length == 0) ||
(target_desc->common.flags & AOPOBJ_STATIC_POINTER)) {
- target_desc->buffer.pointer = ACPI_MEM_ALLOCATE(length);
+ target_desc->buffer.pointer = ACPI_ALLOCATE(length);
if (!target_desc->buffer.pointer) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -91,6 +91,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
/* Copy source buffer to target buffer */
if (length <= target_desc->buffer.length) {
+
/* Clear existing buffer and copy in the new one */
ACPI_MEMSET(target_desc->buffer.pointer, 0,
@@ -102,7 +103,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
* NOTE: ACPI versions up to 3.0 specified that the buffer must be
* truncated if the string is smaller than the buffer. However, "other"
* implementations of ACPI never did this and thus became the defacto
- * standard. ACPi 3.0_a changes this behavior such that the buffer
+ * standard. ACPI 3.0_a changes this behavior such that the buffer
* is no longer truncated.
*/
@@ -113,6 +114,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
* copy must not truncate the original buffer.
*/
if (original_src_type == ACPI_TYPE_STRING) {
+
/* Set the new length of the target */
target_desc->buffer.length = length;
@@ -156,7 +158,7 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
u32 length;
u8 *buffer;
- ACPI_FUNCTION_TRACE_PTR("ex_store_string_to_string", source_desc);
+ ACPI_FUNCTION_TRACE_PTR(ex_store_string_to_string, source_desc);
/* We know that source_desc is a string by now */
@@ -183,13 +185,14 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
*/
if (target_desc->string.pointer &&
(!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
+
/* Only free if not a pointer into the DSDT */
- ACPI_MEM_FREE(target_desc->string.pointer);
+ ACPI_FREE(target_desc->string.pointer);
}
- target_desc->string.pointer = ACPI_MEM_CALLOCATE((acpi_size)
- length + 1);
+ target_desc->string.pointer = ACPI_ALLOCATE_ZEROED((acpi_size)
+ length + 1);
if (!target_desc->string.pointer) {
return_ACPI_STATUS(AE_NO_MEMORY);
}