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staging:iio:lis3l02dq: Do not return error code in interrupt handler

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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>
This commit is contained in:
Lars-Peter Clausen 2012-07-04 17:09:00 +01:00 committed by Jonathan Cameron
parent da0f01e1ed
commit 0b30246ef1
1 changed files with 3 additions and 2 deletions
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5
drivers/staging/iio/accel/lis3l02dq_ring.c
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@ -143,7 +143,7 @@ static irqreturn_t lis3l02dq_trigger_handler(int irq, void *p)
if (data == NULL) { if (data == NULL) {
dev_err(indio_dev->dev.parent, dev_err(indio_dev->dev.parent,
"memory alloc failed in buffer bh"); "memory alloc failed in buffer bh");
return -ENOMEM; goto done;
} }
if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength))
@ -156,8 +156,9 @@ static irqreturn_t lis3l02dq_trigger_handler(int irq, void *p)
= pf->timestamp; = pf->timestamp;
buffer->access->store_to(buffer, (u8 *)data, pf->timestamp); buffer->access->store_to(buffer, (u8 *)data, pf->timestamp);
iio_trigger_notify_done(indio_dev->trig);
kfree(data); kfree(data);
done:
iio_trigger_notify_done(indio_dev->trig);
return IRQ_HANDLED; return IRQ_HANDLED;
} }