Merge pull request #1500 from ctiller/do-the-right-thing-put-it-in-a-bin

Throw away queued messages on error
diff --git a/src/core/surface/call.c b/src/core/surface/call.c
index f3658b5..aa58fa1 100644
--- a/src/core/surface/call.c
+++ b/src/core/surface/call.c
@@ -375,18 +375,10 @@
 
 static void set_status_code(grpc_call *call, status_source source,
                             gpr_uint32 status) {
-  int flush;
-
   call->status[source].is_set = 1;
   call->status[source].code = status;
 
-  if (call->is_client) {
-    flush = status == GRPC_STATUS_CANCELLED;
-  } else {
-    flush = status != GRPC_STATUS_OK;
-  }
-
-  if (flush && !grpc_bbq_empty(&call->incoming_queue)) {
+  if (status != GRPC_STATUS_OK && !grpc_bbq_empty(&call->incoming_queue)) {
     grpc_bbq_flush(&call->incoming_queue);
   }
 }
diff --git a/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
index 0169d52..8a6391b 100644
--- a/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
@@ -198,7 +198,7 @@
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
-  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
+  op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
@@ -215,7 +215,7 @@
   cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
-  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(status == GRPC_STATUS_OK);
   GPR_ASSERT(0 == strcmp(details, "xyz"));
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
diff --git a/test/core/end2end/tests/request_response_with_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_metadata_and_payload.c
index dc49242..79ba6fd 100644
--- a/test/core/end2end/tests/request_response_with_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_metadata_and_payload.c
@@ -184,7 +184,7 @@
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
-  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
+  op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
@@ -201,7 +201,7 @@
   cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
-  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(status == GRPC_STATUS_OK);
   GPR_ASSERT(0 == strcmp(details, "xyz"));
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
diff --git a/test/core/end2end/tests/request_response_with_payload.c b/test/core/end2end/tests/request_response_with_payload.c
index 9203659..4d05083 100644
--- a/test/core/end2end/tests/request_response_with_payload.c
+++ b/test/core/end2end/tests/request_response_with_payload.c
@@ -175,7 +175,7 @@
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
-  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
+  op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
@@ -192,7 +192,7 @@
   cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
-  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(status == GRPC_STATUS_OK);
   GPR_ASSERT(0 == strcmp(details, "xyz"));
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
diff --git a/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
index 75240e7..652a155 100644
--- a/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
@@ -184,7 +184,7 @@
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 2;
   op->data.send_status_from_server.trailing_metadata = meta_t;
-  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
+  op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
@@ -201,7 +201,7 @@
   cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
-  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(status == GRPC_STATUS_OK);
   GPR_ASSERT(0 == strcmp(details, "xyz"));
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
diff --git a/test/core/end2end/tests/request_with_large_metadata.c b/test/core/end2end/tests/request_with_large_metadata.c
index c5b4e0c..302d2e0 100644
--- a/test/core/end2end/tests/request_with_large_metadata.c
+++ b/test/core/end2end/tests/request_with_large_metadata.c
@@ -176,7 +176,7 @@
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
-  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
+  op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
@@ -193,7 +193,7 @@
   cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
-  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(status == GRPC_STATUS_OK);
   GPR_ASSERT(0 == strcmp(details, "xyz"));
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
diff --git a/test/core/end2end/tests/request_with_payload.c b/test/core/end2end/tests/request_with_payload.c
index 63b7c5e..5b92780 100644
--- a/test/core/end2end/tests/request_with_payload.c
+++ b/test/core/end2end/tests/request_with_payload.c
@@ -167,7 +167,7 @@
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
-  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
+  op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
@@ -184,7 +184,7 @@
   cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
-  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(status == GRPC_STATUS_OK);
   GPR_ASSERT(0 == strcmp(details, "xyz"));
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));