[FFmpeg-cvslog] avfilter/graphdump: fix use of uninitialized variables

[Zhao Zhili]

ffmpeg | branch: master | Zhao Zhili <zhilizhao at tencent.com> | Thu Nov 21 14:58:26 2019 +0800| [bbb68be0ccf4db59ba31341979dfcd9a9556f18d] | committer: Michael Niedermayer

avfilter/graphdump: fix use of uninitialized variables

In case of av_bprint_finalize failed.

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bbb68be0ccf4db59ba31341979dfcd9a9556f18d
---

 libavfilter/graphdump.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/graphdump.c b/libavfilter/graphdump.c
index 8bc7b162d7..79ef1a733f 100644
--- a/libavfilter/graphdump.c
+++ b/libavfilter/graphdump.c
@@ -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);