From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Tue, 20 Jun 2017 11:03:30 +0000 (+0530)
Subject: clocksource/drivers/fsl_ftm_timer: Unmap region obtained by of_iomap
X-Git-Tag: v4.13-rc1~191^2~1^2~1
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b70957f656cc070eaaac60b00dca5b40967cb8d6;p=karo-tx-linux.git

clocksource/drivers/fsl_ftm_timer: Unmap region obtained by of_iomap

In case of error at init time, rollback iomapping.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---

diff --git a/drivers/clocksource/fsl_ftm_timer.c b/drivers/clocksource/fsl_ftm_timer.c
index 3121e2d96c91..3ee7e6fea621 100644
--- a/drivers/clocksource/fsl_ftm_timer.c
+++ b/drivers/clocksource/fsl_ftm_timer.c
@@ -329,13 +329,13 @@ static int __init ftm_timer_init(struct device_node *np)
 	priv->clkevt_base = of_iomap(np, 0);
 	if (!priv->clkevt_base) {
 		pr_err("ftm: unable to map event timer registers\n");
-		goto err;
+		goto err_clkevt;
 	}
 
 	priv->clksrc_base = of_iomap(np, 1);
 	if (!priv->clksrc_base) {
 		pr_err("ftm: unable to map source timer registers\n");
-		goto err;
+		goto err_clksrc;
 	}
 
 	ret = -EINVAL;
@@ -366,6 +366,10 @@ static int __init ftm_timer_init(struct device_node *np)
 	return 0;
 
 err:
+	iounmap(priv->clksrc_base);
+err_clksrc:
+	iounmap(priv->clkevt_base);
+err_clkevt:
 	kfree(priv);
 	return ret;
 }