[PATCH 1/2] Staging: iio/dac/ad5064.c: signedness bug in ad5064_read_raw()

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From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

regulator_get_voltage() returns an int so "scale_uv" should be an
int.  Making it unsigned here breaks the error handling.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxx>
Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
 drivers/staging/iio/dac/ad5064.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/iio/dac/ad5064.c b/drivers/staging/iio/dac/ad5064.c
index a701063..867e4ab 100644
--- a/drivers/staging/iio/dac/ad5064.c
+++ b/drivers/staging/iio/dac/ad5064.c
@@ -280,8 +280,8 @@ static int ad5064_read_raw(struct iio_dev *indio_dev,
 			   long m)
 {
 	struct ad5064_state *st = iio_priv(indio_dev);
-	unsigned long scale_uv;
 	unsigned int vref;
+	int scale_uv;
 
 	switch (m) {
 	case 0:
-- 
1.7.7.1


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