From 03dd3ecc10632a788c21cf7faa14aedf2ea44dcd Mon Sep 17 00:00:00 2001
From: Mikko Perttunen <mperttunen@nvidia.com>
Date: Wed, 4 Dec 2024 02:45:32 +0000
Subject: [PATCH] gpu: host1x-fence: Fix fence leak in fence_extract

The fence_extract IOCTL handler was only putting the fence object
on the error path. Add a put to the success path as well.

Bug 4799184

Change-Id: Ib9fa3280320f16e1cf5588bd7b58900644601649
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3261313
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Santosh BS <santoshb@nvidia.com>
---
 drivers/gpu/host1x-fence/dev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/host1x-fence/dev.c b/drivers/gpu/host1x-fence/dev.c
index fa95e28e..2229978a 100644
--- a/drivers/gpu/host1x-fence/dev.c
+++ b/drivers/gpu/host1x-fence/dev.c
@@ -172,6 +172,8 @@ static int dev_file_ioctl_fence_extract(struct host1x *host1x, void __user *data
 		goto put_fence;
 	}
 
+	dma_fence_put(fence);
+
 	return 0;
 
 put_fence: