sca3000_read_ctrl_reg() returns a negative number on failure, check for
this instead of zero.
Signed-off-by: Luis de Bethencourt <lui...@osg.samsung.com>
Reviewed-by: Andrew F. Davis <a...@ti.com>
Reviewed-by: Jonathan Cameron <ji...@kernel.org>
---
drivers/staging/iio/accel/sca3000_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/iio/accel/sca3000_core.c
b/drivers/staging/iio/accel/sca3000_core.c
index a8f533a..ec12181 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -594,7 +594,7 @@ static ssize_t sca3000_read_frequency(struct device *dev,
goto error_ret_mut;
ret = sca3000_read_ctrl_reg(st, SCA3000_REG_CTRL_SEL_OUT_CTRL);
mutex_unlock(&st->lock);
- if (ret)
+ if (ret < 0)
goto error_ret;
val = ret;
if (base_freq > 0)
--
2.5.1
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