linux-kernel - [PATCH] clocksource: timer-ti-32k: Unmap region obtained by of

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Date:   Wed, 28 Jun 2017 11:23:39 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     daniel.lezcano@...aro.org, tglx@...utronix.de
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] clocksource: timer-ti-32k: Unmap region obtained by of_iomap.

In case of error at init time, rollback iomapping.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/clocksource/timer-ti-32k.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clocksource/timer-ti-32k.c b/drivers/clocksource/timer-ti-32k.c
index 6240677..658d759 100644
--- a/drivers/clocksource/timer-ti-32k.c
+++ b/drivers/clocksource/timer-ti-32k.c
@@ -116,6 +116,7 @@ static int __init ti_32k_timer_init(struct device_node *np)
 	ret = clocksource_register_hz(&ti_32k_timer.cs, 32768);
 	if (ret) {
 		pr_err("32k_counter: can't register clocksource\n");
+		iounmap(ti_32k_timer.base);
 		return ret;
 	}

-- 
1.9.1