diff options
Diffstat (limited to 'drivers/acpi/acpica/uthex.c')
| -rw-r--r-- | drivers/acpi/acpica/uthex.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/uthex.c b/drivers/acpi/acpica/uthex.c index 3a4ca951d762..36d2fc789088 100644 --- a/drivers/acpi/acpica/uthex.c +++ b/drivers/acpi/acpica/uthex.c @@ -92,7 +92,8 @@ acpi_status acpi_ut_ascii_to_hex_byte(char *two_ascii_chars, u8 *return_byte) /* Both ASCII characters must be valid hex digits */ - if (!isxdigit(two_ascii_chars[0]) || !isxdigit(two_ascii_chars[1])) { + if (!isxdigit((int)two_ascii_chars[0]) || + !isxdigit((int)two_ascii_chars[1])) { return (AE_BAD_HEX_CONSTANT); } |