[PATCH v2 5/9] iio: adis_buffer: don't push data to buffers on failure

[Nuno Sa <nuno.sa@xxxxxxxxxx>]

There's no point in pushing data to IIO buffers in case 'spi_sync()'
fails.

Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
---
 drivers/iio/imu/adis_buffer.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c
index 0ae551a748eb..a29d22f657ce 100644
--- a/drivers/iio/imu/adis_buffer.c
+++ b/drivers/iio/imu/adis_buffer.c
@@ -144,9 +144,12 @@ static irqreturn_t adis_trigger_handler(int irq, void *p)
 	}
 
 	ret = spi_sync(adis->spi, &adis->msg);
-	if (ret)
+	if (ret) {
 		dev_err(&adis->spi->dev, "Failed to read data: %d", ret);
-
+		if (adis->data->has_paging)
+			mutex_unlock(&adis->state_lock);
+		goto irq_done;
+	}
 
 	if (adis->data->has_paging) {
 		adis->current_page = 0;
-- 
2.31.1