Messages in this thread Patch in this message |  | | | Subject | [PATCH 2/2] arch/i386/kernel/time_hpet.c: ioremap balanced with iounmap | | From | Amol Lad <> | | Date | Tue, 17 Oct 2006 10:02:51 +0530 |
Signed-off-by: Amol Lad <amol@verismonetworks.com> --- diff -uprN -X linux-2.6.19-rc1-orig/Documentation/dontdiff linux-2.6.19-rc1-orig/arch/i386/kernel/time_hpet.c linux-2.6.19-rc1/arch/i386/kernel/time_hpet.c --- linux-2.6.19-rc1-orig/arch/i386/kernel/time_hpet.c 2006-10-05 14:00:38.000000000 +0530 +++ linux-2.6.19-rc1/arch/i386/kernel/time_hpet.c 2006-10-05 18:30:07.000000000 +0530 @@ -132,14 +132,20 @@ int __init hpet_enable(void) * the single HPET timer for system time. */ #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; + } #endif 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; + } /* * 64 bit math @@ -156,8 +162,11 @@ int __init hpet_enable(void) 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; + } use_hpet = 1;
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