ffprobe: fix NULL pointer dereference in writer_close()

Fix crash.
13 years ago · 49c207b820
parent 9ac58ba133
commit 49c207b820
1 changed files with 4 additions and 2 deletions
--- a/ffprobe.c
+++ b/ffprobe.c
@ -178,9 +178,11 @@ static const AVClass writer_class = {

 static void writer_close(WriterContext **wctx)
 {
-    if (*wctx && (*wctx)->writer->uninit)
-        (*wctx)->writer->uninit(*wctx);
+    if (!*wctx)
+        return;

+    if ((*wctx)->writer->uninit)
+        (*wctx)->writer->uninit(*wctx);
    av_freep(&((*wctx)->priv));
    av_freep(wctx);
 }