From 2c1c00055b11bf9d54998ec2ac98e2464e4b07bd Mon Sep 17 00:00:00 2001
From: yang-g <yangg@google.com>
Date: Fri, 2 Oct 2015 16:15:05 -0700
Subject: [PATCH] Pollset can be destroyed again in pollset_work if the
 called_shutdown is not set here

---
 src/core/iomgr/pollset_posix.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/iomgr/pollset_posix.c b/src/core/iomgr/pollset_posix.c
index 82a82cc0644..418502d1c6d 100644
--- a/src/core/iomgr/pollset_posix.c
+++ b/src/core/iomgr/pollset_posix.c
@@ -354,6 +354,7 @@ static void basic_do_promote(grpc_exec_ctx *exec_ctx, void *args, int success) {
   if (pollset->shutting_down) {
     /* We don't care about this pollset anymore. */
     if (pollset->in_flight_cbs == 0 && !pollset->called_shutdown) {
+      pollset->called_shutdown = 1;
       finish_shutdown(exec_ctx, pollset);
     }
   } else if (grpc_fd_is_orphaned(fd)) {