Fix possible SIGFPE

cc7929bd · Tatsuhiro Tsujikawa · a82b7f09 · cc7929bd
Commit cc7929bd authored Apr 27, 2014 by Tatsuhiro Tsujikawa
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lib/nghttp2_stream.c lib/nghttp2_stream.c +4 -0

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--- a/lib/nghttp2_stream.c
+++ b/lib/nghttp2_stream.c
@@ -146,6 +146,10 @@ int32_t nghttp2_stream_dep_distributed_weight(nghttp2_stream *stream,
 int32_t nghttp2_stream_dep_distributed_effective_weight
 (nghttp2_stream *stream, int32_t weight)
 {
+  if(stream->sum_norest_weight == 0) {
+    return stream->effective_weight;
+  }
+
  weight = stream->effective_weight * weight / stream->sum_norest_weight;

  return nghttp2_max(1, weight);