[PATCH 5.11 118/342] crypto: sun8i-ce - Fix PM reference leak in sun8i_ce_probe()

From: Greg Kroah-Hartman
Date: Mon May 10 2021 - 07:30:31 EST


From: Shixin Liu <liushixin2@xxxxxxxxxx>

[ Upstream commit cc987ae9150c255352660d235ab27c834aa527be ]

pm_runtime_get_sync will increment pm usage counter even it failed.
Forgetting to putting operation will result in reference leak here.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.

Signed-off-by: Shixin Liu <liushixin2@xxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
index 158422ff5695..00194d1d9ae6 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
@@ -932,7 +932,7 @@ static int sun8i_ce_probe(struct platform_device *pdev)
if (err)
goto error_alg;

- err = pm_runtime_get_sync(ce->dev);
+ err = pm_runtime_resume_and_get(ce->dev);
if (err < 0)
goto error_alg;

--
2.30.2