Staging: iio: Simplify return logic

This patch removes the conditional return of the ade77*_probe functions based on the return values of iio_device_register as the latter returns 0 or ret, the same as the checked values.

Warning found by coccinelle.

Signed-off-by Cristina Opriceana <[email protected]>

---
 drivers/staging/iio/meter/ade7753.c | 6 +-----
 drivers/staging/iio/meter/ade7754.c | 6 +-----
 drivers/staging/iio/meter/ade7759.c | 6 +-----
 3 files changed, 3 insertions(+), 15 deletions(-)

drivers/staging/iio/meter/ade7753.c +1 -5

index 78e8f56..30d8adf 100644
@@ -517,11 +517,7 @@ static int ade7753_probe(struct spi_device *spi)
        if (ret)
                return ret;
 
-       ret = iio_device_register(indio_dev);
-       if (ret)
-               return ret;
-
-       return 0;
+       return iio_device_register(indio_dev);
 }
 
 /* fixme, confirm ordering in this function */

drivers/staging/iio/meter/ade7754.c +1 -5

index 81f6731..d21f935 100644
@@ -540,11 +540,7 @@ static int ade7754_probe(struct spi_device *spi)
        ret = ade7754_initial_setup(indio_dev);
        if (ret)
                return ret;
-       ret = iio_device_register(indio_dev);
-       if (ret)
-               return ret;
-
-       return 0;
+       return iio_device_register(indio_dev);
 }
 
 /* fixme, confirm ordering in this function */

drivers/staging/iio/meter/ade7759.c +1 -6

index 694e0ce..418aa9e 100644
@@ -462,11 +462,7 @@ static int ade7759_probe(struct spi_device *spi)
        if (ret)
                return ret;
 
-       ret = iio_device_register(indio_dev);
-       if (ret)
-               return ret;
-
-       return 0;
+       return iio_device_register(indio_dev);
 }
 
 /* fixme, confirm ordering in this function */
--

1.9.1

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