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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Sean Nyekjaer <sean@geanix.com>,
        Stable@vger.kernel.org,
        Jonathan Cameron <Jonathan.Cameron@huawei.com>
Subject: [PATCH 5.14 077/151] iio: accel: fxls8962af: return IRQ_HANDLED when fifo is flushed
Date:   Mon, 18 Oct 2021 15:24:16 +0200
Message-Id: <20211018132343.186253685@linuxfoundation.org>
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From: Sean Nyekjaer <sean@geanix.com>

commit 9033c7a357481fb5bcc1737bafa4aec572dca5c6 upstream.

fxls8962af_fifo_flush() will return the samples flushed.
So return IRQ_NONE only if an error is returned.

Fixes: 79e3a5bdd9ef ("iio: accel: fxls8962af: add hw buffered sampling")
Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Link: https://lore.kernel.org/r/20210817124336.1672169-1-sean@geanix.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/iio/accel/fxls8962af-core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/accel/fxls8962af-core.c
+++ b/drivers/iio/accel/fxls8962af-core.c
@@ -738,7 +738,7 @@ static irqreturn_t fxls8962af_interrupt(
 
 	if (reg & FXLS8962AF_INT_STATUS_SRC_BUF) {
 		ret = fxls8962af_fifo_flush(indio_dev);
-		if (ret)
+		if (ret < 0)
 			return IRQ_NONE;
 
 		return IRQ_HANDLED;