[PATCH] drm: fix an error code in drm_syncobj_transfer_to_timeline()

[Dan Carpenter]

Return -ENOMEM instead of success if dma_fence_unwrap_merge() fails.

Fixes: ec8d985ff26f ("drm: use dma_fence_unwrap_merge() in drm_syncobj")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
 drivers/gpu/drm/drm_syncobj.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index bbad9e4696e7..0c2be8360525 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -874,8 +874,10 @@ static int drm_syncobj_transfer_to_timeline(struct 
drm_file *file_private,
 
        fence = dma_fence_unwrap_merge(tmp);
        dma_fence_put(tmp);
-       if (!fence)
+       if (!fence) {
+               ret = -ENOMEM;
                goto err_put_timeline;
+       }
 
        chain = dma_fence_chain_alloc();
        if (!chain) {
-- 
2.35.1