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avfilter/graphdump: fix use of uninitialized variables 

In case of av_bprint_finalize failed.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Zhao Zhili 2019-11-21 14:58:26 +08:00 committed by Michael Niedermayer
parent 4a3aa77d74
commit bbb68be0cc
1 changed files with 1 additions and 1 deletions
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2
libavfilter/graphdump.c
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@ -154,7 +154,7 @@ 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, AV_BPRINT_SIZE_COUNT_ONLY);
avfilter_graph_dump_to_buf(&buf, graph);