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-rw-r--r--libavfilter/vf_overlay_cuda.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavfilter/vf_overlay_cuda.c b/libavfilter/vf_overlay_cuda.c
index e45f510644..34241c8e1b 100644
--- a/libavfilter/vf_overlay_cuda.c
+++ b/libavfilter/vf_overlay_cuda.c
@@ -346,6 +346,8 @@ static int overlay_cuda_config_output(AVFilterLink *outlink)
// initialize
ctx->hw_device_ctx = av_buffer_ref(frames_ctx->device_ref);
+ if (!ctx->hw_device_ctx)
+ return AVERROR(ENOMEM);
ctx->hwctx = ((AVHWDeviceContext*)ctx->hw_device_ctx->data)->hwctx;
cuda_ctx = ctx->hwctx->cuda_ctx;
@@ -354,6 +356,8 @@ static int overlay_cuda_config_output(AVFilterLink *outlink)
ctx->cu_stream = ctx->hwctx->stream;
outlink->hw_frames_ctx = av_buffer_ref(inlink->hw_frames_ctx);
+ if (!outlink->hw_frames_ctx)
+ return AVERROR(ENOMEM);
// load functions