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| author | Luis de Bethencourt <luisbg@osg.samsung.com> | 2016-06-22 20:43:30 +0100 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2016-08-22 22:37:16 +0100 |
| commit | 457e587fbca4e622146643811215f636275a56e0 (patch) | |
| tree | d6947b8c3803e8893407cf52af50a6093d3defdf | |
| parent | 2c87a719288c7793e7504937ed7927f4f222eaae (diff) | |
| download | linux-stable-457e587fbca4e622146643811215f636275a56e0.tar.gz linux-stable-457e587fbca4e622146643811215f636275a56e0.tar.bz2 linux-stable-457e587fbca4e622146643811215f636275a56e0.zip | |
staging: iio: accel: fix error check
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 <luisbg@osg.samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
| -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 a44a70589db9..74ceba07d38b 100644 --- a/drivers/staging/iio/accel/sca3000_core.c +++ b/drivers/staging/iio/accel/sca3000_core.c @@ -579,7 +579,7 @@ 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) |