[PATCH] iio: sx9500: Add missing init in sx9500_buffer_pre{en,dis}able()

[Geert Uytterhoeven]

drivers/iio/proximity/sx9500.c: In function âsx9500_buffer_preenableâ:
drivers/iio/proximity/sx9500.c:682: warning: âretâ may be used uninitialized in this function
drivers/iio/proximity/sx9500.c: In function âsx9500_buffer_predisableâ:
drivers/iio/proximity/sx9500.c:706: warning: âretâ may be used uninitialized in this function

If active_scan_mask is empty, it will loop once more over all channels,
doing nothing.

Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
 drivers/iio/proximity/sx9500.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c
index 2042e375f8351de6..7624cfa2422d4e41 100644
--- a/drivers/iio/proximity/sx9500.c
+++ b/drivers/iio/proximity/sx9500.c
@@ -679,7 +679,7 @@ out:
 static int sx9500_buffer_preenable(struct iio_dev *indio_dev)
 {
 	struct sx9500_data *data = iio_priv(indio_dev);
-	int ret, i;
+	int ret = 0, i;
 
 	mutex_lock(&data->mutex);
 
@@ -703,7 +703,7 @@ static int sx9500_buffer_preenable(struct iio_dev *indio_dev)
 static int sx9500_buffer_predisable(struct iio_dev *indio_dev)
 {
 	struct sx9500_data *data = iio_priv(indio_dev);
-	int ret, i;
+	int ret = 0, i;
 
 	iio_triggered_buffer_predisable(indio_dev);
 
-- 
1.9.1

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