staging:iio:max1363: Do not return error code in interrupt handler

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@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c
index b302013..bf6b0c2 100644 (file)
--- a/drivers/staging/iio/adc/max1363_ring.c
+++ b/drivers/staging/iio/adc/max1363_ring.c
@@ -64,11 +64,11 @@ static irqreturn_t max1363_trigger_handler(int irq, void *p)
         * no harm.
         */
        if (numvals == 0)
-               return IRQ_HANDLED;
+               goto done;
 
        rxbuf = kmalloc(d_size, GFP_KERNEL);
        if (rxbuf == NULL)
-               return -ENOMEM;
+               goto done;
        if (st->chip_info->bits != 8)
                b_sent = i2c_master_recv(st->client, rxbuf, numvals*2);
        else