From: Zhao Zhili <zhiliz...@tencent.com>
When ov_model_const_input_by_name/ov_model_const_output_by_name
failed, input_port/output_port can be wild pointer.
Signed-off-by: Zhao Zhili <zhiliz...@tencent.com>
---
libavfilter/dnn/dnn_backend_openvino.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/libavfilter/dnn/dnn_backend_openvino.c
b/libavfilter/dnn/dnn_backend_openvino.c
index 5de27719b2..ded156289b 100644
--- a/libavfilter/dnn/dnn_backend_openvino.c
+++ b/libavfilter/dnn/dnn_backend_openvino.c
@@ -210,7 +210,10 @@ static int fill_model_input_ov(OVModel *ov_model,
OVRequestItem *request)
#if HAVE_OPENVINO2
if (!ov_model_is_dynamic(ov_model->ov_model)) {
- ov_output_const_port_free(ov_model->input_port);
+ if (ov_model->input_port) {
+ ov_output_const_port_free(ov_model->input_port);
+ ov_model->input_port = NULL;
+ }
status = ov_model_const_input_by_name(ov_model->ov_model,
task->input_name, &ov_model->input_port);
if (status != OK) {
av_log(ctx, AV_LOG_ERROR, "Failed to get input port shape.\n");
@@ -621,8 +624,10 @@ static int init_model_ov(OVModel *ov_model, const char
*input_name, const char *
ov_model_free(tmp_ov_model);
//update output_port
- if (ov_model->output_port)
+ if (ov_model->output_port) {
ov_output_const_port_free(ov_model->output_port);
+ ov_model->output_port = NULL;
+ }
status = ov_model_const_output_by_name(ov_model->ov_model, output_name,
&ov_model->output_port);
if (status != OK) {
av_log(ctx, AV_LOG_ERROR, "Failed to get output port.\n");
--
2.34.1
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