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new 766074133f avfilter/dnn_backend_torch: fix missing ret in async error
path
766074133f is described below
commit 766074133f9711e440144a940ac0ad32a8b8e5d7
Author: tknaveen <[email protected]>
AuthorDate: Thu Apr 30 16:43:49 2026 +0530
Commit: Guo Yejun <[email protected]>
CommitDate: Fri Jul 3 21:29:36 2026 +0800
avfilter/dnn_backend_torch: fix missing ret in async error path
ff_dnn_start_inference_async() return value was not stored in ret,
causing execute_model_th() to return success on async startup failure.
This left vf_dnn_processing stuck in its flush loop waiting on a
task that was never started.
---
libavfilter/dnn/dnn_backend_torch.cpp | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavfilter/dnn/dnn_backend_torch.cpp
b/libavfilter/dnn/dnn_backend_torch.cpp
index 24a202f493..62bf7d9e9e 100644
--- a/libavfilter/dnn/dnn_backend_torch.cpp
+++ b/libavfilter/dnn/dnn_backend_torch.cpp
@@ -342,7 +342,11 @@ static int execute_model_th(THRequestItem *request, Queue
*lltask_queue)
}
if (task->async) {
- return ff_dnn_start_inference_async(th_model->ctx,
&request->exec_module);
+ ret = ff_dnn_start_inference_async(th_model->ctx,
&request->exec_module);
+ if (ret != 0) {
+ goto err;
+ }
+ return 0;
} else {
// Synchronous execution path
ret = th_start_inference((void *)(request));
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