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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>
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1 changed files with 2 additions and 1 deletions
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@ -52,7 +52,7 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p)
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data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
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if (data == NULL)
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return -ENOMEM;
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goto done;
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if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) {
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/*
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@ -91,6 +91,7 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p)
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kfree(data);
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done:
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/*
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* Tell the core we are done with this trigger and ready for the
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* next one.
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