diff options
Diffstat (limited to 'drivers/acpi/executer/exstorob.c')
| -rw-r--r-- | drivers/acpi/executer/exstorob.c | 86 |
1 files changed, 36 insertions, 50 deletions
diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/executer/exstorob.c index 12d1527669c8..c4ff654a6697 100644 --- a/drivers/acpi/executer/exstorob.c +++ b/drivers/acpi/executer/exstorob.c @@ -42,14 +42,11 @@ * POSSIBILITY OF SUCH DAMAGES. */ - #include <acpi/acpi.h> #include <acpi/acinterp.h> - #define _COMPONENT ACPI_EXECUTER - ACPI_MODULE_NAME ("exstorob") - +ACPI_MODULE_NAME("exstorob") /******************************************************************************* * @@ -63,18 +60,14 @@ * DESCRIPTION: Copy a buffer object to another buffer object. * ******************************************************************************/ - acpi_status -acpi_ex_store_buffer_to_buffer ( - union acpi_operand_object *source_desc, - union acpi_operand_object *target_desc) +acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc, + union acpi_operand_object *target_desc) { - u32 length; - u8 *buffer; - - - ACPI_FUNCTION_TRACE_PTR ("ex_store_buffer_to_buffer", source_desc); + u32 length; + u8 *buffer; + ACPI_FUNCTION_TRACE_PTR("ex_store_buffer_to_buffer", source_desc); /* We know that source_desc is a buffer by now */ @@ -86,10 +79,10 @@ acpi_ex_store_buffer_to_buffer ( * allocate a new buffer of the proper length */ if ((target_desc->buffer.length == 0) || - (target_desc->common.flags & AOPOBJ_STATIC_POINTER)) { - target_desc->buffer.pointer = ACPI_MEM_ALLOCATE (length); + (target_desc->common.flags & AOPOBJ_STATIC_POINTER)) { + target_desc->buffer.pointer = ACPI_MEM_ALLOCATE(length); if (!target_desc->buffer.pointer) { - return_ACPI_STATUS (AE_NO_MEMORY); + return_ACPI_STATUS(AE_NO_MEMORY); } target_desc->buffer.length = length; @@ -100,8 +93,9 @@ acpi_ex_store_buffer_to_buffer ( if (length <= target_desc->buffer.length) { /* Clear existing buffer and copy in the new one */ - ACPI_MEMSET (target_desc->buffer.pointer, 0, target_desc->buffer.length); - ACPI_MEMCPY (target_desc->buffer.pointer, buffer, length); + ACPI_MEMSET(target_desc->buffer.pointer, 0, + target_desc->buffer.length); + ACPI_MEMCPY(target_desc->buffer.pointer, buffer, length); #ifdef ACPI_OBSOLETE_BEHAVIOR /* @@ -124,26 +118,24 @@ acpi_ex_store_buffer_to_buffer ( target_desc->buffer.length = length; } #endif - } - else { + } else { /* Truncate the source, copy only what will fit */ - ACPI_MEMCPY (target_desc->buffer.pointer, buffer, - target_desc->buffer.length); + ACPI_MEMCPY(target_desc->buffer.pointer, buffer, + target_desc->buffer.length); - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, - "Truncating source buffer from %X to %X\n", - length, target_desc->buffer.length)); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Truncating source buffer from %X to %X\n", + length, target_desc->buffer.length)); } /* Copy flags */ target_desc->buffer.flags = source_desc->buffer.flags; target_desc->common.flags &= ~AOPOBJ_STATIC_POINTER; - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_ex_store_string_to_string @@ -158,16 +150,13 @@ acpi_ex_store_buffer_to_buffer ( ******************************************************************************/ acpi_status -acpi_ex_store_string_to_string ( - union acpi_operand_object *source_desc, - union acpi_operand_object *target_desc) +acpi_ex_store_string_to_string(union acpi_operand_object *source_desc, + union acpi_operand_object *target_desc) { - u32 length; - u8 *buffer; - - - ACPI_FUNCTION_TRACE_PTR ("ex_store_string_to_string", source_desc); + u32 length; + u8 *buffer; + ACPI_FUNCTION_TRACE_PTR("ex_store_string_to_string", source_desc); /* We know that source_desc is a string by now */ @@ -179,41 +168,38 @@ acpi_ex_store_string_to_string ( * pointer is not a static pointer (part of an ACPI table) */ if ((length < target_desc->string.length) && - (!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) { + (!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) { /* * String will fit in existing non-static buffer. * Clear old string and copy in the new one */ - ACPI_MEMSET (target_desc->string.pointer, 0, - (acpi_size) target_desc->string.length + 1); - ACPI_MEMCPY (target_desc->string.pointer, buffer, length); - } - else { + ACPI_MEMSET(target_desc->string.pointer, 0, + (acpi_size) target_desc->string.length + 1); + ACPI_MEMCPY(target_desc->string.pointer, buffer, length); + } else { /* * Free the current buffer, then allocate a new buffer * large enough to hold the value */ if (target_desc->string.pointer && - (!(target_desc->common.flags & AOPOBJ_STATIC_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_MEM_FREE(target_desc->string.pointer); } - target_desc->string.pointer = ACPI_MEM_CALLOCATE ( - (acpi_size) length + 1); + target_desc->string.pointer = ACPI_MEM_CALLOCATE((acpi_size) + length + 1); if (!target_desc->string.pointer) { - return_ACPI_STATUS (AE_NO_MEMORY); + return_ACPI_STATUS(AE_NO_MEMORY); } target_desc->common.flags &= ~AOPOBJ_STATIC_POINTER; - ACPI_MEMCPY (target_desc->string.pointer, buffer, length); + ACPI_MEMCPY(target_desc->string.pointer, buffer, length); } /* Set the new target length */ target_desc->string.length = length; - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - - |