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avfilter/avfiltergraph: Remove NULL checks after dereferences

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Fixes: CID1398579 Dereference before null check
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2021-05-18 22:03:11 +02:00
parent 2261cc6d8a
commit 1642d8188d
1 changed files with 2 additions and 2 deletions
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4
libavfilter/avfiltergraph.c
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@ -1360,8 +1360,8 @@ int avfilter_graph_request_oldest(AVFilterGraph *graph)
if (r != AVERROR_EOF) if (r != AVERROR_EOF)
break; break;
av_log(oldest->dst, AV_LOG_DEBUG, "EOF on sink link %s:%s.\n", av_log(oldest->dst, AV_LOG_DEBUG, "EOF on sink link %s:%s.\n",
oldest->dst ? oldest->dst->name : "unknown", oldest->dst->name,
oldest->dstpad ? oldest->dstpad->name : "unknown"); oldest->dstpad->name);
/* EOF: remove the link from the heap */ /* EOF: remove the link from the heap */
if (oldest->age_index < --graph->sink_links_count) if (oldest->age_index < --graph->sink_links_count)
heap_bubble_down(graph, graph->sink_links[graph->sink_links_count], heap_bubble_down(graph, graph->sink_links[graph->sink_links_count],