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Subject[PATCH 5.10 069/236] drm/panfrost: Fix missing clk_disable_unprepare() on error in panfrost_clk_init()
Date
From: Wei Yongjun <weiyongjun1@huawei.com>

[ Upstream commit f42498705965bd4b026953c1892c686d8b1138e4 ]

Fix the missing clk_disable_unprepare() before return
from panfrost_clk_init() in the error handling case.

Fixes: b681af0bc1cc ("drm: panfrost: add optional bus_clock")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210608143856.4154766-1-weiyongjun1@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/panfrost/panfrost_device.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c b/drivers/gpu/drm/panfrost/panfrost_device.c
index bf7c34cfb84c..c256929e859b 100644
--- a/drivers/gpu/drm/panfrost/panfrost_device.c
+++ b/drivers/gpu/drm/panfrost/panfrost_device.c
@@ -60,7 +60,8 @@ static int panfrost_clk_init(struct panfrost_device *pfdev)
if (IS_ERR(pfdev->bus_clock)) {
dev_err(pfdev->dev, "get bus_clock failed %ld\n",
PTR_ERR(pfdev->bus_clock));
- return PTR_ERR(pfdev->bus_clock);
+ err = PTR_ERR(pfdev->bus_clock);
+ goto disable_clock;
}

if (pfdev->bus_clock) {
--
2.30.2


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