From 6a4c5c730ed67a7f472e43205fd96e91781796ce Mon Sep 17 00:00:00 2001
From: Nicolas George <nicolas.george@normalesup.org>
Date: Sun, 3 Jun 2012 21:48:59 +0200
Subject: [PATCH] avfiltergraph: check query_formats return value.
---
libavfilter/avfiltergraph.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index da5015ca88b..997ae451f96 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -238,9 +238,11 @@ static int query_formats(AVFilterGraph *graph, AVClass *log_ctx)
/* ask all the sub-filters for their supported media formats */
for (i = 0; i < graph->filter_count; i++) {
if (graph->filters[i]->filter->query_formats)
- graph->filters[i]->filter->query_formats(graph->filters[i]);
+ ret = graph->filters[i]->filter->query_formats(graph->filters[i]);
else
- ff_default_query_formats(graph->filters[i]);
+ ret = ff_default_query_formats(graph->filters[i]);
+ if (ret < 0)
+ return ret;
}
/* go through and merge as many format lists as possible */
--
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