Merge remote-tracking branch 'iommu/next'

[deliverable/linux.git] / drivers / acpi / acpica / uthex.c

diff --git a/drivers/acpi/acpica/uthex.c b/drivers/acpi/acpica/uthex.c
index 3a4ca951d762e3374cfe66eb1dfd59d6945b4b38..36d2fc789088526b73aa7152f4b87faa50a92e56 100644 (file)
--- 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);
        }