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Subject[PATCH 005/190] Revert "media: exynos4-is: Fix a reference count leak due to pm_runtime_get_sync"
Date
This reverts commit c47f7c779ef0458a58583f00c9ed71b7f5a4d0a2.

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@umn.edu>
Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/media/platform/exynos4-is/media-dev.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index 8e1e892085ec..5e62ea06b4fa 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -511,10 +511,8 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd)
return -ENXIO;

ret = pm_runtime_get_sync(fmd->pmf);
- if (ret < 0) {
- pm_runtime_put(fmd->pmf);
+ if (ret < 0)
return ret;
- }

fmd->num_sensors = 0;

--
2.31.1
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