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staging:iio:dummy driver: 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>
This commit is contained in:
Lars-Peter Clausen 2012-07-04 17:09:00 +01:00 committed by Jonathan Cameron
parent a4eef3057d
commit a1bdeefd7b
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/iio/iio_simple_dummy_buffer.c
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@ -52,7 +52,7 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p)
data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
if (data == NULL) if (data == NULL)
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)) {
/* /*
@ -91,6 +91,7 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p)
kfree(data); kfree(data);
done:
/* /*
* Tell the core we are done with this trigger and ready for the * Tell the core we are done with this trigger and ready for the
* next one. * next one.