If iio_trigger_register() returns error, it should call iio_trigger_free()
to give up the reference that hold in iio_trigger_alloc(), so that it can
call iio_trig_release() to free memory when the refcount hit to 0.
Fixes: 0e589d5fb317 ("ARM: AT91: IIO: Add AT91 ADC driver.")
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
drivers/iio/adc/at91_adc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 532daaa6f943..366e252ebeb0 100644
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -634,8 +634,10 @@ static struct iio_trigger *at91_adc_allocate_trigger(struct iio_dev *idev,
trig->ops = &at91_adc_trigger_ops;
ret = iio_trigger_register(trig);
- if (ret)
+ if (ret) {
+ iio_trigger_free(trig);
return NULL;
+ }
return trig;
}
--
2.25.1
