linux-kernel - [PATCH 4.9 15/51] iio: adc: xilinx: Fix error handling

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Message-Id: <20171019134842.271000356@linuxfoundation.org>
Date:   Thu, 19 Oct 2017 15:48:36 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Jonathan Cameron <jic23@...nel.org>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.9 15/51] iio: adc: xilinx: Fix error handling

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

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

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>


[ Upstream commit ca1c39ef76376b67303d01f94fe98bb68bb3861a ]

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

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Acked-by: Lars-Peter Clausen <lars@...afoo.de>
Signed-off-by: Jonathan Cameron <jic23@...nel.org>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 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);