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-rw-r--r--arch/i386/kernel/hpet.c7
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);
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