diff options
Diffstat (limited to 'drivers/acpi/tables/tbutils.c')
| -rw-r--r-- | drivers/acpi/tables/tbutils.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c index e6dfe688b76..9d0bf536d67 100644 --- a/drivers/acpi/tables/tbutils.c +++ b/drivers/acpi/tables/tbutils.c @@ -240,16 +240,16 @@ acpi_tb_verify_table_checksum(struct acpi_table_header * table_header) u8 acpi_tb_generate_checksum(void *buffer, u32 length) { - const u8 *limit; - const u8 *rover; + u8 *end_buffer; + u8 *rover; u8 sum = 0; if (buffer && length) { /* Buffer and Length are valid */ - limit = (u8 *) buffer + length; + end_buffer = ACPI_ADD_PTR(u8, buffer, length); - for (rover = buffer; rover < limit; rover++) { + for (rover = buffer; rover < end_buffer; rover++) { sum = (u8) (sum + *rover); } } |