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Subject[PATCH 4/5] clocksource/drivers/fsl_ftm_timer: Unmap region obtained by of_iomap
Date
From: Arvind Yadav <arvind.yadav.cs@gmail.com>

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>
---
drivers/clocksource/fsl_ftm_timer.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/fsl_ftm_timer.c b/drivers/clocksource/fsl_ftm_timer.c
index 3121e2d..3ee7e6f 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;
}
--
2.7.4
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