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| author | Arnd Bergmann | 2016-11-08 15:00:49 +0100 |
|---|---|---|
| committer | Jonathan Cameron | 2016-11-08 21:22:32 +0100 |
| commit | 6826fdbd2e207f8107e65c5a372ac616e7af11b4 (patch) | |
| tree | b56a9fae8d33549e5d85f08dd4fa658dea5791ca /drivers/staging/iio/frequency/ad9832.c | |
| parent | staging: lustre: fixed shadowed variable in socklnd_cb.c (diff) | |
| download | kernel-qcow2-linux-6826fdbd2e207f8107e65c5a372ac616e7af11b4.tar.gz kernel-qcow2-linux-6826fdbd2e207f8107e65c5a372ac616e7af11b4.tar.xz kernel-qcow2-linux-6826fdbd2e207f8107e65c5a372ac616e7af11b4.zip | |
staging: iio: ad9832: allocate data before using
The regulator changes assigned data to an uninitialized pointer:
drivers/staging/iio/frequency/ad9832.c: In function 'ad9832_probe':
drivers/staging/iio/frequency/ad9832.c:214:11: error: 'st' may be used uninitialized in this function [-Werror=maybe-uninitialized]
This moves the allocation of the 'st' structure before its first
use, as it should have been.
Fixes: 43a07e48af44 ("staging: iio: ad9832: clean-up regulator 'reg'")
Fixes: a98461d79ba5 ("staging: iio: ad9832: add DVDD regulator")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/staging/iio/frequency/ad9832.c')
| -rw-r--r-- | drivers/staging/iio/frequency/ad9832.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c index 639047fade30..a5b2f068168d 100644 --- a/drivers/staging/iio/frequency/ad9832.c +++ b/drivers/staging/iio/frequency/ad9832.c @@ -211,6 +211,13 @@ static int ad9832_probe(struct spi_device *spi) return -ENODEV; } + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); + if (!indio_dev) + return -ENOMEM; + + spi_set_drvdata(spi, indio_dev); + st = iio_priv(indio_dev); + st->avdd = devm_regulator_get(&spi->dev, "avdd"); if (IS_ERR(st->avdd)) return PTR_ERR(st->avdd); @@ -233,13 +240,6 @@ static int ad9832_probe(struct spi_device *spi) goto error_disable_avdd; } - indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); - if (!indio_dev) { - ret = -ENOMEM; - goto error_disable_dvdd; - } - spi_set_drvdata(spi, indio_dev); - st = iio_priv(indio_dev); st->mclk = pdata->mclk; st->spi = spi; |