| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 106/146] staging: iio: accel: fix error check | Date | Mon, 25 Jul 2016 13:56:01 -0700 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Luis de Bethencourt <luisbg@osg.samsung.com>
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/staging/iio/accel/sca3000_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- 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(st 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)
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