linux-kernel - [PATCH 5.9 146/252] spi: cadence-quadspi: Fix error return code in cqspi

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Date:   Mon, 23 Nov 2020 13:21:36 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Zhihao Cheng <chengzhihao1@...wei.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.9 146/252] spi: cadence-quadspi: Fix error return code in cqspi_probe

From: Zhihao Cheng <chengzhihao1@...wei.com>

[ Upstream commit ac9978fcad3c5abc43cdd225441ce9459c36e16b ]

Fix to return the error code from
devm_reset_control_get_optional_exclusive() instaed of 0
in cqspi_probe().

Fixes: 31fb632b5d43ca ("spi: Move cadence-quadspi driver to drivers/spi/")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhihao Cheng <chengzhihao1@...wei.com>
Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>
Link: https://lore.kernel.org/r/20201116141836.2970579-1-chengzhihao1@huawei.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/spi/spi-cadence-quadspi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
index c6795c684b16a..9f8cae7a35bb6 100644
--- a/drivers/spi/spi-cadence-quadspi.c
+++ b/drivers/spi/spi-cadence-quadspi.c
@@ -1263,12 +1263,14 @@ static int cqspi_probe(struct platform_device *pdev)
 	/* Obtain QSPI reset control */
 	rstc = devm_reset_control_get_optional_exclusive(dev, "qspi");
 	if (IS_ERR(rstc)) {
+		ret = PTR_ERR(rstc);
 		dev_err(dev, "Cannot get QSPI reset.\n");
 		goto probe_reset_failed;
 	}
 
 	rstc_ocp = devm_reset_control_get_optional_exclusive(dev, "qspi-ocp");
 	if (IS_ERR(rstc_ocp)) {
+		ret = PTR_ERR(rstc_ocp);
 		dev_err(dev, "Cannot get QSPI OCP reset.\n");
 		goto probe_reset_failed;
 	}
-- 
2.27.0