The interrupt handler should only ever return one of the three irqreturn_t constants and not an error code. Also make sure to always call iio_trigger_notify_done before leaving the trigger handler. Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx> --- drivers/staging/iio/adc/ad7887_ring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/iio/adc/ad7887_ring.c b/drivers/staging/iio/adc/ad7887_ring.c index 1c406da..c76fdb5 100644 --- a/drivers/staging/iio/adc/ad7887_ring.c +++ b/drivers/staging/iio/adc/ad7887_ring.c @@ -82,7 +82,7 @@ static irqreturn_t ad7887_trigger_handler(int irq, void *p) buf = kzalloc(indio_dev->scan_bytes, GFP_KERNEL); if (buf == NULL) - return -ENOMEM; + goto done; b_sent = spi_sync(st->spi, st->ring_msg); if (b_sent) -- 1.7.10 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html