1 files changed, 15 insertions, 3 deletions
diff --git a/src/core/lib/iomgr/ev_epollex_linux.cc b/src/core/lib/iomgr/ev_epollex_linux.cc
index 7b368410cf..b17aa90573 100644
--- a/src/core/lib/iomgr/ev_epollex_linux.cc
+++ b/src/core/lib/iomgr/ev_epollex_linux.cc
@@ -539,15 +539,27 @@ static void fd_shutdown(grpc_fd* fd, grpc_error* why) {
 }
 
 static void fd_notify_on_read(grpc_fd* fd, grpc_closure* closure) {
-  fd->read_closure->NotifyOn(closure);
+  if (closure != nullptr) {
+    fd->read_closure->NotifyOn(closure);
+  } else {
+    fd->read_closure->SetReady();
+  }
 }
 
 static void fd_notify_on_write(grpc_fd* fd, grpc_closure* closure) {
-  fd->write_closure->NotifyOn(closure);
+  if (closure != nullptr) {
+    fd->write_closure->NotifyOn(closure);
+  } else {
+    fd->write_closure->SetReady();
+  }
 }
 
 static void fd_notify_on_error(grpc_fd* fd, grpc_closure* closure) {
-  fd->error_closure->NotifyOn(closure);
+  if (closure != nullptr) {
+    fd->error_closure->NotifyOn(closure);
+  } else {
+    fd->error_closure->SetReady();
+  }
 }
 
 /*******************************************************************************