[PATCH AUTOSEL 4.14 04/52] media: st-delta: Fix reference count leak in delta_run_work

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From: Aditya Pakki <pakki001@xxxxxxx>

[ Upstream commit 57cc666d36adc7b45e37ba4cd7bc4e44ec4c43d7 ]

delta_run_work() calls delta_get_sync() that increments
the reference counter. In case of failure, decrement the reference
count by calling delta_put_autosuspend().

Signed-off-by: Aditya Pakki <pakki001@xxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/media/platform/sti/delta/delta-v4l2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/sti/delta/delta-v4l2.c b/drivers/media/platform/sti/delta/delta-v4l2.c
index b2dc3d223a9c9..7c925f309158d 100644
--- a/drivers/media/platform/sti/delta/delta-v4l2.c
+++ b/drivers/media/platform/sti/delta/delta-v4l2.c
@@ -970,8 +970,10 @@ static void delta_run_work(struct work_struct *work)
 	/* enable the hardware */
 	if (!dec->pm) {
 		ret = delta_get_sync(ctx);
-		if (ret)
+		if (ret) {
+			delta_put_autosuspend(ctx);
 			goto err;
+		}
 	}
 
 	/* decode this access unit */
-- 
2.25.1




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