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iio: adc: xilinx: Handle return value of clk_prepare_enable
author
Arvind Yadav
<arvind.yadav.cs@gmail.com>
Fri, 26 May 2017 06:37:41 +0000
(12:07 +0530)
committer
Jonathan Cameron
<jic23@kernel.org>
Sat, 3 Jun 2017 08:55:23 +0000
(09:55 +0100)
clk_prepare_enable() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
drivers/iio/adc/xilinx-xadc-core.c
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diff --git
a/drivers/iio/adc/xilinx-xadc-core.c
b/drivers/iio/adc/xilinx-xadc-core.c
index
56cf590
..
4a60497
100644
(file)
--- a/
drivers/iio/adc/xilinx-xadc-core.c
+++ b/
drivers/iio/adc/xilinx-xadc-core.c
@@
-1204,7
+1204,10
@@
static int xadc_probe(struct platform_device *pdev)
ret = PTR_ERR(xadc->clk);
goto err_free_samplerate_trigger;
}
- clk_prepare_enable(xadc->clk);
+
+ ret = clk_prepare_enable(xadc->clk);
+ if (ret)
+ goto err_free_samplerate_trigger;
ret = xadc->ops->setup(pdev, indio_dev, irq);
if (ret)