From: Luis de Bethencourt <lui...@osg.samsung.com>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit ef3149eb3ddb7f9125e11c90f8330e371b55cffd upstream.
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>
Signed-off-by: Jonathan Cameron <ji...@kernel.org>
Signed-off-by: Jiri Slaby <jsl...@suse.cz>
---
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 48a25ba290f5..162333d2fd00 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -588,7 +588,7 @@ 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)
--
2.9.3
