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clocksource/drivers/fsl_ftm_timer: Unmap region obtained by of_iomap

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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>
This commit is contained in:
Arvind Yadav 2017-06-20 16:33:30 +05:30 • committed by Daniel Lezcano
parent 6ec8be251f
commit b70957f656
1 changed files with 6 additions and 2 deletions
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8
drivers/clocksource/fsl_ftm_timer.c
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@ -329,13 +329,13 @@ static int __init ftm_timer_init(struct device_node *np)
priv->clkevt_base = of_iomap(np, 0); priv->clkevt_base = of_iomap(np, 0);
if (!priv->clkevt_base) { if (!priv->clkevt_base) {
pr_err("ftm: unable to map event timer registers\n"); pr_err("ftm: unable to map event timer registers\n");
goto err; goto err_clkevt;
} }
priv->clksrc_base = of_iomap(np, 1); priv->clksrc_base = of_iomap(np, 1);
if (!priv->clksrc_base) { if (!priv->clksrc_base) {
pr_err("ftm: unable to map source timer registers\n"); pr_err("ftm: unable to map source timer registers\n");
goto err; goto err_clksrc;
} }
ret = -EINVAL; ret = -EINVAL;
@ -366,6 +366,10 @@ static int __init ftm_timer_init(struct device_node *np)
return 0; return 0;
err: err:
iounmap(priv->clksrc_base);
err_clksrc:
iounmap(priv->clkevt_base);
err_clkevt:
kfree(priv); kfree(priv);
return ret; return ret;
} }