From c354c51cf4022962a124f72c25f6a511782aa4f5 Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Thu, 7 May 2015 13:15:38 -0700
Subject: [PATCH] If we have closed the transport, dont try reading

---
 src/core/transport/chttp2_transport.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/core/transport/chttp2_transport.c b/src/core/transport/chttp2_transport.c
index dae1b1e1b79..e536438646c 100644
--- a/src/core/transport/chttp2_transport.c
+++ b/src/core/transport/chttp2_transport.c
@@ -1928,8 +1928,10 @@ static void recv_data(void *tp, gpr_slice *slices, size_t nslices,
       break;
     case GRPC_ENDPOINT_CB_OK:
       lock(t);
-      for (i = 0; i < nslices && process_read(t, slices[i]); i++)
-        ;
+      if (t->cb) {
+        for (i = 0; i < nslices && process_read(t, slices[i]); i++)
+          ;
+      }
       unlock(t);
       keep_reading = 1;
       break;