[PATCH] iio: adc: xilinx: Handle return value of clk_prepare_enable

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clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
 drivers/iio/adc/xilinx-xadc-core.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c
index 56cf590..4a60497 100644
--- 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)
-- 
1.9.1

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