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staging:iio:lis3l02dq: 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 3 additions and 2 deletions
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@ -143,7 +143,7 @@ static irqreturn_t lis3l02dq_trigger_handler(int irq, void *p)
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if (data == NULL) {
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dev_err(indio_dev->dev.parent,
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"memory alloc failed in buffer bh");
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return -ENOMEM;
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goto done;
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}
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if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength))
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@ -156,8 +156,9 @@ static irqreturn_t lis3l02dq_trigger_handler(int irq, void *p)
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= pf->timestamp;
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buffer->access->store_to(buffer, (u8 *)data, pf->timestamp);
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iio_trigger_notify_done(indio_dev->trig);
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kfree(data);
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done:
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iio_trigger_notify_done(indio_dev->trig);
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return IRQ_HANDLED;
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}
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