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Commit b74fccad authored by Matt Ranostay's avatar Matt Ranostay Committed by Jonathan Cameron
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iio: health: max30100: correct FIFO check condition 



Correct issue that the last entry in FIFO was being read twice due
to an incorrect decrement of entry count variable before condition
check.

Signed-off-by: default avatarMatt Ranostay <mranostay@gmail.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent f7072198

drivers/iio/health/max30100.c

+2 −1
Original line number Diff line number Diff line
@@ -238,12 +238,13 @@ static irqreturn_t max30100_interrupt_handler(int irq, void *private) 


	mutex_lock(&data->lock);



	while (cnt-- || (cnt = max30100_fifo_count(data) > 0)) {

	while (cnt || (cnt = max30100_fifo_count(data) > 0)) {

		ret = max30100_read_measurement(data);

		if (ret)

			break;



		iio_push_to_buffers(data->indio_dev, data->buffer);

		cnt--;

	}



	mutex_unlock(&data->lock);