[PATCH 1/2] iio: sca3000: Fix an error handling path in 'sca3000_probe()'

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In case of error, we must undo the previous 'sca3000_configure_ring()' call
in order to free some memory.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
 drivers/iio/accel/sca3000.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/accel/sca3000.c b/drivers/iio/accel/sca3000.c
index f33dadf7b262..dae4c594c170 100644
--- a/drivers/iio/accel/sca3000.c
+++ b/drivers/iio/accel/sca3000.c
@@ -1496,7 +1496,7 @@ static int sca3000_probe(struct spi_device *spi)
 					   "sca3000",
 					   indio_dev);
 		if (ret)
-			return ret;
+			goto error_unconfigure_ring;
 	}
 	indio_dev->setup_ops = &sca3000_ring_setup_ops;
 	ret = sca3000_clean_setup(st);
@@ -1513,6 +1513,9 @@ static int sca3000_probe(struct spi_device *spi)
 	if (spi->irq)
 		free_irq(spi->irq, indio_dev);
 
+error_unconfigure_ring:
+	sca3000_unconfigure_ring(indio_dev);
+
 	return ret;
 }
 
-- 
2.14.1

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