diff options
Diffstat (limited to 'vendor/golang.org/x/net/http2/writesched_priority.go')
| -rw-r--r-- | vendor/golang.org/x/net/http2/writesched_priority.go | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/vendor/golang.org/x/net/http2/writesched_priority.go b/vendor/golang.org/x/net/http2/writesched_priority.go index 40108b0..0113272 100644 --- a/vendor/golang.org/x/net/http2/writesched_priority.go +++ b/vendor/golang.org/x/net/http2/writesched_priority.go @@ -388,7 +388,15 @@ func (ws *priorityWriteScheduler) Push(wr FrameWriteRequest) { } else { n = ws.nodes[id] if n == nil { - panic("add on non-open stream") + // id is an idle or closed stream. wr should not be a HEADERS or + // DATA frame. However, wr can be a RST_STREAM. In this case, we + // push wr onto the root, rather than creating a new priorityNode, + // since RST_STREAM is tiny and the stream's priority is unknown + // anyway. See issue #17919. + if wr.DataSize() > 0 { + panic("add DATA on non-open stream") + } + n = &ws.root } } n.q.push(wr) |