diff options
| author | Luis de Bethencourt <luisbg@osg.samsung.com> | 2016-06-22 20:43:30 +0100 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2016-08-19 23:08:43 -0400 |
| commit | b2372ff74a06656f67b24e73477f81e25956df89 (patch) | |
| tree | 24946da702eb51bc90e9c25377bf387636b6c743 /drivers/staging | |
| parent | c1a8303fb95f6933709831d5d5c742caee13d592 (diff) | |
staging: iio: accel: fix error check
[ Upstream commit ef3149eb3ddb7f9125e11c90f8330e371b55cffd ]
sca3000_read_ctrl_reg() returns a negative number on failure, check for
this instead of zero.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/iio/accel/sca3000_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c index b614f272b5f4..851fcfa98068 100644 --- a/drivers/staging/iio/accel/sca3000_core.c +++ b/drivers/staging/iio/accel/sca3000_core.c @@ -595,7 +595,7 @@ 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) |