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path: root/drivers/acpi/acpica/utstrtoul64.c
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Diffstat (limited to 'drivers/acpi/acpica/utstrtoul64.c')
-rw-r--r--drivers/acpi/acpica/utstrtoul64.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/acpi/acpica/utstrtoul64.c b/drivers/acpi/acpica/utstrtoul64.c
index f42be01d99fd..9633ee142855 100644
--- a/drivers/acpi/acpica/utstrtoul64.c
+++ b/drivers/acpi/acpica/utstrtoul64.c
@@ -276,8 +276,8 @@ static u64 acpi_ut_strtoul_base10(char *string, u32 flags)
/* Convert and insert (add) the decimal digit */
- next_value =
- (return_value * 10) + (ascii_digit - ACPI_ASCII_ZERO);
+ acpi_ut_short_multiply(return_value, 10, &next_value);
+ next_value += (ascii_digit - ACPI_ASCII_ZERO);
/* Check for overflow (32 or 64 bit) - return current converted value */
@@ -335,9 +335,8 @@ static u64 acpi_ut_strtoul_base16(char *string, u32 flags)
/* Convert and insert the hex digit */
- return_value =
- (return_value << 4) |
- acpi_ut_ascii_char_to_hex(ascii_digit);
+ acpi_ut_short_shift_left(return_value, 4, &return_value);
+ return_value |= acpi_ut_ascii_char_to_hex(ascii_digit);
string++;
valid_digits++;