[PATCH 002/190] Revert "media: st-delta: Fix reference count leak in delta_run_work"

Greg Kroah-Hartman
2021-04-21T13:03:02Z

This reverts commit 57cc666d36adc7b45e37ba4cd7bc4e44ec4c43d7.

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: Aditya Pakki <pakki001@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/sti/delta/delta-v4l2.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/platform/sti/delta/delta-v4l2.c b/drivers/media/platform/sti/delta/delta-v4l2.c
index c691b3d81549..2503224eeee5 100644
--- a/drivers/media/platform/sti/delta/delta-v4l2.c
+++ b/drivers/media/platform/sti/delta/delta-v4l2.c
@@ -954,10 +954,8 @@ static void delta_run_work(struct work_struct *work)
/* enable the hardware */
if (!dec->pm) {
ret = delta_get_sync(ctx);
- if (ret) {
- delta_put_autosuspend(ctx);
+ if (ret)
goto err;
- }
}

/* decode this access unit */
--
2.31.1