diff options
Diffstat (limited to 'arch/i386/kernel/hpet.c')
| -rw-r--r-- | arch/i386/kernel/hpet.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/i386/kernel/hpet.c b/arch/i386/kernel/hpet.c index 17647a5..45a8685 100644 --- a/arch/i386/kernel/hpet.c +++ b/arch/i386/kernel/hpet.c @@ -34,6 +34,7 @@ static int __init init_hpet_clocksource(void) unsigned long hpet_period; void __iomem* hpet_base; u64 tmp; + int err; if (!is_hpet_enabled()) return -ENODEV; @@ -61,7 +62,11 @@ static int __init init_hpet_clocksource(void) do_div(tmp, FSEC_PER_NSEC); clocksource_hpet.mult = (u32)tmp; - return clocksource_register(&clocksource_hpet); + err = clocksource_register(&clocksource_hpet); + if (err) + iounmap(hpet_base); + + return err; } module_init(init_hpet_clocksource); |