X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Fgraphdump.c;h=79ef1a733fe2555a62dd63ebe07d292d2f39c0f0;hb=a859e57424ca0a00d17bdc034c52005c18184961;hp=73777191d630f023364d94d8e3ee1370c3c1ddb6;hpb=20608261f7818fc034f96034a089e755f095716e;p=ffmpeg

diff --git a/libavfilter/graphdump.c b/libavfilter/graphdump.c
index 73777191d63..79ef1a733fe 100644
--- a/libavfilter/graphdump.c
+++ b/libavfilter/graphdump.c
@@ -154,9 +154,9 @@ static void avfilter_graph_dump_to_buf(AVBPrint *buf, AVFilterGraph *graph)
 char *avfilter_graph_dump(AVFilterGraph *graph, const char *options)
 {
     AVBPrint buf;
-    char *dump;
+    char *dump = NULL;
 
-    av_bprint_init(&buf, 0, 0);
+    av_bprint_init(&buf, 0, AV_BPRINT_SIZE_COUNT_ONLY);
     avfilter_graph_dump_to_buf(&buf, graph);
     av_bprint_init(&buf, buf.len + 1, buf.len + 1);
     avfilter_graph_dump_to_buf(&buf, graph);