commit 6cf80a5b4b153cd197e4db49f2d70e6ad86ad68f
author fayang <fayang@google.com> Mon Jul 29 07:41:14 2019 -0700
committer Copybara-Service <copybara-worker@google.com> Tue Jul 30 11:01:28 2019 -0700
tree 9c9b30eda812896abdab36e93fb1e5902c4efca6
parent a7ac8479856774db101aba3d3a416b2d410b9d5c

gfe-relnote: Fix Http2PriorityWriteScheduler::UpdateStreamParent. Not used in prod. Not protected.

Current UpdateStreamParent() early returns if parent does not change. But exclusive bit should be considered as well.

PiperOrigin-RevId: 260496394
Change-Id: I9401a41140e12d19fbb36e9d5d13dcf58090be47

spdy/core/http2_priority_write_scheduler.h

diff --git a/spdy/core/http2_priority_write_scheduler.h b/spdy/core/http2_priority_write_scheduler.h
index a35e076..f89dc8d 100644
--- a/spdy/core/http2_priority_write_scheduler.h
+++ b/spdy/core/http2_priority_write_scheduler.h
@@ -405,8 +405,10 @@
     return;
   }
 
-  // If the new parent is already the stream's parent, we're done.
-  if (stream_info->parent == new_parent) {
+  if (stream_info->parent == new_parent &&
+      (!exclusive || new_parent->children.size() == 1)) {
+    // If the new parent is already the stream's parent, and exclusivity (if
+    // specified) is already satisfied, we are done.
     return;
   }