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| author | Matheus Tavares <matheus.bernardino@usp.br> | 2018-11-03 19:49:43 -0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2018-11-11 15:29:47 +0000 |
| commit | 070e8c7da116b81faf0026ecd281e92ad4917a81 (patch) | |
| tree | f900b6bcd6e299616f1c6611584321abdd302da5 /drivers/staging/iio | |
| parent | 5ccc612b835b5e1560f913ec96ed6fdc7835892e (diff) | |
| download | linux-070e8c7da116b81faf0026ecd281e92ad4917a81.tar.gz linux-070e8c7da116b81faf0026ecd281e92ad4917a81.tar.bz2 linux-070e8c7da116b81faf0026ecd281e92ad4917a81.zip | |
staging:iio:ad2s90: Make read_raw return spi_read's error code
Previously, when spi_read returned an error code inside ad2s90_read_raw,
the code was ignored and IIO_VAL_INT was returned. This patch makes the
function return the error code returned by spi_read when it fails.
Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/staging/iio')
| -rw-r--r-- | drivers/staging/iio/resolver/ad2s90.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/staging/iio/resolver/ad2s90.c index 59586947a936..ba55de29ef36 100644 --- a/drivers/staging/iio/resolver/ad2s90.c +++ b/drivers/staging/iio/resolver/ad2s90.c @@ -36,11 +36,12 @@ static int ad2s90_read_raw(struct iio_dev *indio_dev, mutex_lock(&st->lock); ret = spi_read(st->sdev, st->rx, 2); - if (ret) - goto error_ret; + if (ret < 0) { + mutex_unlock(&st->lock); + return ret; + } *val = (((u16)(st->rx[0])) << 4) | ((st->rx[1] & 0xF0) >> 4); -error_ret: mutex_unlock(&st->lock); return IIO_VAL_INT; |