iio: adc: xilinx: Handle return value of clk_prepare_enable

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>

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)