From: Amol Lad <amol@verismonetworks.com>
Date: Thu, 7 Dec 2006 01:14:02 +0000 (+0100)
Subject: [PATCH] i386: Add iounmap in error paths in hpet code
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c0e84b9901c0924e2503c0aab3772a4469ba4aef;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

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

Signed-off-by: Amol Lad <amol@verismonetworks.com>
Signed-off-by: Andi Kleen <ak@suse.de>
---

diff --git a/arch/i386/kernel/time_hpet.c b/arch/i386/kernel/time_hpet.c
index 1a2a979cf6a3..1e4702dfcd01 100644
--- a/arch/i386/kernel/time_hpet.c
+++ b/arch/i386/kernel/time_hpet.c
@@ -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;