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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, Pan Bian <bianpan2016@163.com>,
        Tom Rix <trix@redhat.com>, Mark Brown <broonie@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.10 093/142] spi: altera: Fix memory leak on error path
Date:   Tue,  2 Feb 2021 14:37:36 +0100
Message-Id: <20210202133001.548881247@linuxfoundation.org>
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From: Pan Bian <bianpan2016@163.com>

[ Upstream commit 55a8b42e8645a6dab88674a30cb6ed328e660680 ]

Release master that have been previously allocated if the number of
chipselect is invalid.

Fixes: 8e04187c1bc7 ("spi: altera: add SPI core parameters support via platform data.")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20210120082635.49304-1-bianpan2016@163.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/spi/spi-altera.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c
index cbc4c28c1541c..62ea0c9e321b4 100644
--- a/drivers/spi/spi-altera.c
+++ b/drivers/spi/spi-altera.c
@@ -254,7 +254,8 @@ static int altera_spi_probe(struct platform_device *pdev)
 			dev_err(&pdev->dev,
 				"Invalid number of chipselect: %hu\n",
 				pdata->num_chipselect);
-			return -EINVAL;
+			err = -EINVAL;
+			goto exit;
 		}
 
 		master->num_chipselect = pdata->num_chipselect;
-- 
2.27.0