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[PATCH] i386: Add iounmap in error paths in hpet code

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Signed-off-by: Amol Lad <amol@verismonetworks.com>
Signed-off-by: Andi Kleen <ak@suse.de>
This commit is contained in:
Amol Lad 2006-12-07 02:14:02 +01:00 • committed by Andi Kleen
parent 399287229c
commit c0e84b9901
1 changed files with 12 additions and 3 deletions
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15
arch/i386/kernel/time_hpet.c
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@ -132,14 +132,20 @@ int __init hpet_enable(void)
* the single HPET timer for system time. * the single HPET timer for system time.
*/ */
#ifdef CONFIG_HPET_EMULATE_RTC #ifdef CONFIG_HPET_EMULATE_RTC
if (!(id & HPET_ID_NUMBER)) if (!(id & HPET_ID_NUMBER)) {
iounmap(hpet_virt_address);
hpet_virt_address = NULL;
return -1; return -1;
}
#endif #endif
hpet_period = hpet_readl(HPET_PERIOD); hpet_period = hpet_readl(HPET_PERIOD);
if ((hpet_period < HPET_MIN_PERIOD) || (hpet_period > HPET_MAX_PERIOD)) if ((hpet_period < HPET_MIN_PERIOD) || (hpet_period > HPET_MAX_PERIOD)) {
iounmap(hpet_virt_address);
hpet_virt_address = NULL;
return -1; return -1;
}
/* /*
* 64 bit math * 64 bit math
@ -156,8 +162,11 @@ int __init hpet_enable(void)
hpet_use_timer = id & HPET_ID_LEGSUP; hpet_use_timer = id & HPET_ID_LEGSUP;
if (hpet_timer_stop_set_go(hpet_tick)) if (hpet_timer_stop_set_go(hpet_tick)) {
iounmap(hpet_virt_address);
hpet_virt_address = NULL;
return -1; return -1;
}
use_hpet = 1; use_hpet = 1;