diff options
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/acpi_pm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c index 71d2ac4e3f4..c20171078d1 100644 --- a/drivers/clocksource/acpi_pm.c +++ b/drivers/clocksource/acpi_pm.c @@ -237,9 +237,12 @@ static int __init parse_pmtmr(char *arg) if (strict_strtoul(arg, 16, &base)) return -EINVAL; - +#ifdef CONFIG_X86_64 + if (base > UINT_MAX) + return -ERANGE; +#endif printk(KERN_INFO "PMTMR IOPort override: 0x%04x -> 0x%04lx\n", - (unsigned int)pmtmr_ioport, base); + pmtmr_ioport, base); pmtmr_ioport = base; return 1; |