linux-kernel - [PATCH 009/190] Revert "media: s5p-mfc: Fix a reference count leak"

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Message-Id: <20210421130105.1226686-10-gregkh@linuxfoundation.org>
Date:   Wed, 21 Apr 2021 14:58:04 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Qiushi Wu <wu000273@....edu>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: [PATCH 009/190] Revert "media: s5p-mfc: Fix a reference count leak"

This reverts commit 78741ce98c2e36188e2343434406b0e0bc50b0e7.

Commits from @umn.edu addresses have been found to be submitted in "bad
faith" to try to test the kernel community's ability to review "known
malicious" changes.  The result of these submissions can be found in a
paper published at the 42nd IEEE Symposium on Security and Privacy
entitled, "Open Source Insecurity: Stealthily Introducing
Vulnerabilities via Hypocrite Commits" written by Qiushi Wu (University
of Minnesota) and Kangjie Lu (University of Minnesota).

Because of this, all submissions from this group must be reverted from
the kernel tree and will need to be re-reviewed again to determine if
they actually are a valid fix.  Until that work is complete, remove this
change to ensure that no problems are being introduced into the
codebase.

Cc: Qiushi Wu <wu000273@....edu>
Cc: Hans Verkuil <hverkuil-cisco@...all.nl>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/media/platform/s5p-mfc/s5p_mfc_pm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
index 62d2320a7218..7d52431c2c83 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
@@ -79,10 +79,8 @@ int s5p_mfc_power_on(void)
 	int i, ret = 0;

 	ret = pm_runtime_get_sync(pm->device);
-	if (ret < 0) {
-		pm_runtime_put_noidle(pm->device);
+	if (ret < 0)
 		return ret;
-	}

 	/* clock control */
 	for (i = 0; i < pm->num_clocks; i++) {
-- 
2.31.1