ACPICA: Deploy ACPI_MOVE_NAME across ACPICA source base
authorBob Moore <robert.moore@intel.com>
Wed, 31 Oct 2012 02:28:03 +0000 (02:28 +0000)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Wed, 14 Nov 2012 23:31:29 +0000 (00:31 +0100)
Replaces instances of strncpy(...,4) for ACPI_NAMEs.
ACPI_MOVE_NAME optimizes these to a single 32-bit copy on machines
that support misaligned transfers.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/acpi/acpica/nsxfname.c
drivers/acpi/acpica/tbfind.c

index ce87897..2d10df2 100644 (file)
@@ -202,8 +202,7 @@ acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
 
        /* Just copy the ACPI name from the Node and zero terminate it */
 
-       ACPI_STRNCPY(buffer->pointer, acpi_ut_get_node_name(node),
-                    ACPI_NAME_SIZE);
+       ACPI_MOVE_NAME(buffer->pointer, acpi_ut_get_node_name(node));
        ((char *)buffer->pointer)[ACPI_NAME_SIZE] = 0;
        status = AE_OK;
 
index 57deae1..77d1db2 100644 (file)
@@ -77,7 +77,7 @@ acpi_tb_find_table(char *signature,
        /* Normalize the input strings */
 
        ACPI_MEMSET(&header, 0, sizeof(struct acpi_table_header));
-       ACPI_STRNCPY(header.signature, signature, ACPI_NAME_SIZE);
+       ACPI_MOVE_NAME(header.signature, signature);
        ACPI_STRNCPY(header.oem_id, oem_id, ACPI_OEM_ID_SIZE);
        ACPI_STRNCPY(header.oem_table_id, oem_table_id, ACPI_OEM_TABLE_ID_SIZE);