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| author | Kangjie Lu <kjlu@umn.edu> | 2019-03-08 22:53:55 -0600 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2019-04-04 20:19:53 +0100 |
| commit | 13814627c9658cf8382dd052bc251ee415670a55 (patch) | |
| tree | 1096799b4f1e422dbb11495ef57ff4656019da51 /drivers/iio/adc | |
| parent | d43102f525d9d7a727e086d23e7c27dd665a36d4 (diff) | |
| download | linux-13814627c9658cf8382dd052bc251ee415670a55.tar.gz | |
iio: adc: fix a potential NULL pointer dereference
devm_iio_trigger_alloc may fail and return NULL. The fix returns ENOMEM when it fails. Signed-off-by: Kangjie Lu <kjlu@umn.edu> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/adc')
| -rw-r--r-- | drivers/iio/adc/mxs-lradc-adc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iio/adc/mxs-lradc-adc.c b/drivers/iio/adc/mxs-lradc-adc.c index c627513d9f0f..5384472b6c4d 100644 --- a/drivers/iio/adc/mxs-lradc-adc.c +++ b/drivers/iio/adc/mxs-lradc-adc.c @@ -465,6 +465,8 @@ static int mxs_lradc_adc_trigger_init(struct iio_dev *iio) trig = devm_iio_trigger_alloc(&iio->dev, "%s-dev%i", iio->name, iio->id); + if (!trig) + return -ENOMEM; trig->dev.parent = adc->dev; iio_trigger_set_drvdata(trig, iio); |