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/ad799x_core.c | 5 +++-- drivers/staging/iio/adc/ad799x_ring.c | 2 -- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c index 2d4bda9..9900507 100644 --- a/drivers/staging/iio/adc/ad799x_core.c +++ b/drivers/staging/iio/adc/ad799x_core.c @@ -350,10 +350,10 @@ static irqreturn_t ad799x_event_handler(int irq, void *private) ret = ad799x_i2c_read8(st, AD7998_ALERT_STAT_REG, &status); if (ret) - return ret; + goto done; if (!status) - return -EIO; + goto done; ad799x_i2c_write8(st, AD7998_ALERT_STAT_REG, AD7998_ALERT_STAT_CLEAR); @@ -372,6 +372,7 @@ static irqreturn_t ad799x_event_handler(int irq, void *private) iio_get_time_ns()); } +done: return IRQ_HANDLED; } diff --git a/drivers/staging/iio/adc/ad799x_ring.c b/drivers/staging/iio/adc/ad799x_ring.c index 0882c9e..858a685 100644 --- a/drivers/staging/iio/adc/ad799x_ring.c +++ b/drivers/staging/iio/adc/ad799x_ring.c @@ -81,8 +81,6 @@ static irqreturn_t ad799x_trigger_handler(int irq, void *p) ring->access->store_to(indio_dev->buffer, rxbuf, time_ns); done: kfree(rxbuf); - if (b_sent < 0) - return b_sent; out: iio_trigger_notify_done(indio_dev->trig); -- 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
