diff options
Diffstat (limited to 'drivers/acpi/executer/exstorob.c')
| -rw-r--r-- | drivers/acpi/executer/exstorob.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/executer/exstorob.c index 6ab70708775..41732d382bc 100644 --- a/drivers/acpi/executer/exstorob.c +++ b/drivers/acpi/executer/exstorob.c @@ -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, @@ -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; @@ -183,6 +185,7 @@ 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); |