[PATCH 5.13 180/800] spi: meson-spicc: fix a wrong goto jump for avoiding memory leak.

From: Greg Kroah-Hartman
Date: Mon Jul 12 2021 - 04:20:07 EST


From: zpershuai <zpershuai@xxxxxxxxx>

[ Upstream commit 95730d5eb73170a6d225a9998c478be273598634 ]

In meson_spifc_probe function, when enable the device pclk clock is
error, it should use clk_disable_unprepare to release the core clock.

Signed-off-by: zpershuai <zpershuai@xxxxxxxxx>
Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/1623562172-22056-1-git-send-email-zpershuai@xxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/spi/spi-meson-spicc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-meson-spicc.c b/drivers/spi/spi-meson-spicc.c
index ecba6b4a5d85..51aef2c6e966 100644
--- a/drivers/spi/spi-meson-spicc.c
+++ b/drivers/spi/spi-meson-spicc.c
@@ -725,7 +725,7 @@ static int meson_spicc_probe(struct platform_device *pdev)
ret = clk_prepare_enable(spicc->pclk);
if (ret) {
dev_err(&pdev->dev, "pclk clock enable failed\n");
- goto out_master;
+ goto out_core_clk;
}

device_reset_optional(&pdev->dev);
@@ -764,9 +764,11 @@ static int meson_spicc_probe(struct platform_device *pdev)
return 0;

out_clk:
- clk_disable_unprepare(spicc->core);
clk_disable_unprepare(spicc->pclk);

+out_core_clk:
+ clk_disable_unprepare(spicc->core);
+
out_master:
spi_master_put(master);

--
2.30.2