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

[Christophe JAILLET]

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.jail...@wanadoo.fr>
---
 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