[PATCH 4.4 28/46] iio: adc: xilinx: Fix error handling

From: Greg Kroah-Hartman
Date: Thu Oct 19 2017 - 10:10:47 EST


4.4-stable review patch. If anyone has any objections, please let me know.

------------------

From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>


[ Upstream commit ca1c39ef76376b67303d01f94fe98bb68bb3861a ]

Reorder error handling labels in order to match the way resources have
been allocated.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Acked-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/iio/adc/xilinx-xadc-core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/iio/adc/xilinx-xadc-core.c
+++ b/drivers/iio/adc/xilinx-xadc-core.c
@@ -1208,7 +1208,7 @@ static int xadc_probe(struct platform_de

ret = xadc->ops->setup(pdev, indio_dev, irq);
if (ret)
- goto err_free_samplerate_trigger;
+ goto err_clk_disable_unprepare;

ret = request_irq(irq, xadc->ops->interrupt_handler, 0,
dev_name(&pdev->dev), indio_dev);
@@ -1268,6 +1268,8 @@ static int xadc_probe(struct platform_de

err_free_irq:
free_irq(irq, indio_dev);
+err_clk_disable_unprepare:
+ clk_disable_unprepare(xadc->clk);
err_free_samplerate_trigger:
if (xadc->ops->flags & XADC_FLAGS_BUFFERED)
iio_trigger_free(xadc->samplerate_trigger);
@@ -1277,8 +1279,6 @@ err_free_convst_trigger:
err_triggered_buffer_cleanup:
if (xadc->ops->flags & XADC_FLAGS_BUFFERED)
iio_triggered_buffer_cleanup(indio_dev);
-err_clk_disable_unprepare:
- clk_disable_unprepare(xadc->clk);
err_device_free:
kfree(indio_dev->channels);