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author | Slawomir Stepien <sst@poczta.fm> | 2018-12-02 12:42:35 +0100 |
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committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2018-12-02 15:36:28 +0000 |
commit | 794e20ee038ea368f3f099d196792b024fb3170c (patch) | |
tree | 65f78c44b966af12ffc204b01533681155205a0d /drivers/staging/iio | |
parent | 53e8785c248df097364b75e550d06bbc58db8af8 (diff) | |
download | linux-794e20ee038ea368f3f099d196792b024fb3170c.tar.gz linux-794e20ee038ea368f3f099d196792b024fb3170c.tar.bz2 linux-794e20ee038ea368f3f099d196792b024fb3170c.zip |
staging: iio: adc: ad7280a: fix overwrite of the returned value
The ret returned from ad7280_chain_setup() is needed to initialize the
slave_num. Don't overwrite it with call to devm_add_action_or_reset().
Fixes: cc9c58ef6e06 ("staging: iio: adc: ad7280a: use devm_* APIs")
Signed-off-by: Slawomir Stepien <sst@poczta.fm>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/staging/iio')
-rw-r--r-- | drivers/staging/iio/adc/ad7280a.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c index 7a0ba26f9fd9..14f6a3ced060 100644 --- a/drivers/staging/iio/adc/ad7280a.c +++ b/drivers/staging/iio/adc/ad7280a.c @@ -879,15 +879,15 @@ static int ad7280_probe(struct spi_device *spi) if (ret < 0) return ret; - ret = devm_add_action_or_reset(&spi->dev, ad7280_sw_power_down, st); - if (ret) - return ret; - st->slave_num = ret; st->scan_cnt = (st->slave_num + 1) * AD7280A_NUM_CH; st->cell_threshhigh = 0xFF; st->aux_threshhigh = 0xFF; + ret = devm_add_action_or_reset(&spi->dev, ad7280_sw_power_down, st); + if (ret) + return ret; + /* * Total Conversion Time = ((tACQ + tCONV) * * (Number of Conversions per Part)) − |