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iio: adc: mxs-lradc: Disable the clock on probe failure

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We should disable lradc->clk in the case of errors in the probe function.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: <Stable@vger.kernel.org>
This commit is contained in:
Fabio Estevam 2014-10-04 08:50:21 -03:00 committed by Jonathan Cameron
parent 4250c90b30
commit 75d7ed3b9e
1 changed files with 8 additions and 4 deletions
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12
drivers/staging/iio/adc/mxs-lradc.c
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@ -1565,14 +1565,16 @@ static int mxs_lradc_probe(struct platform_device *pdev)
/* Grab all IRQ sources */
for (i = 0; i < of_cfg->irq_count; i++) {
lradc->irq[i] = platform_get_irq(pdev, i);
if (lradc->irq[i] < 0)
return lradc->irq[i];
if (lradc->irq[i] < 0) {
ret = lradc->irq[i];
goto err_clk;
}
ret = devm_request_irq(dev, lradc->irq[i],
mxs_lradc_handle_irq, 0,
of_cfg->irq_name[i], iio);
if (ret)
return ret;
goto err_clk;
}
lradc->vref_mv = of_cfg->vref_mv;
@ -1594,7 +1596,7 @@ static int mxs_lradc_probe(struct platform_device *pdev)
&mxs_lradc_trigger_handler,
&mxs_lradc_buffer_ops);
if (ret)
return ret;
goto err_clk;
ret = mxs_lradc_trigger_init(iio);
if (ret)
@ -1649,6 +1651,8 @@ err_dev:
mxs_lradc_trigger_remove(iio);
err_trig:
iio_triggered_buffer_cleanup(iio);
err_clk:
clk_disable_unprepare(lradc->clk);
return ret;
}