[PATCH 5.10 093/142] spi: altera: Fix memory leak on error path

[Greg Kroah-Hartman]

From: Pan Bian <bianpan2...@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 <bianpan2...@163.com>
Reviewed-by: Tom Rix <t...@redhat.com>
Link: https://lore.kernel.org/r/20210120082635.49304-1-bianpan2...@163.com
Signed-off-by: Mark Brown <broo...@kernel.org>
Signed-off-by: Sasha Levin <sas...@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