Backwards compatibility fixes

For classic queues mostly.

3 files changed, 22 insertions, 3 deletions

diff --git a/src/rabbit_amqqueue.erl b/src/rabbit_amqqueue.erl
index 02d37350b4..78552ae440 100644
--- a/src/rabbit_amqqueue.erl
+++ b/src/rabbit_amqqueue.erl
@@ -45,6 +45,9 @@
 -export([ensure_rabbit_queue_record_is_initialized/1]).
 -export([format/1]).
 -export([delete_immediately_by_resource/1]).
+-export([delete_crashed/1,
+         delete_crashed/2,
+         delete_crashed_internal/2]).
 
 -export([pid_of/1, pid_of/2]).
 -export([mark_local_durable_queues_stopped/1]).
@@ -1409,6 +1412,17 @@ delete_immediately_by_resource(Resources) ->
 delete(Q, IfUnused, IfEmpty, ActingUser) ->
     rabbit_queue_type:delete(Q, IfUnused, IfEmpty, ActingUser).
 
+%% delete_crashed* INCLUDED FOR BACKWARDS COMPATBILITY REASONS
+delete_crashed(Q) when ?amqqueue_is_classic(Q) ->
+    rabbit_classic_queue:delete_crashed(Q).
+
+delete_crashed(Q, ActingUser) when ?amqqueue_is_classic(Q) ->
+    rabbit_classic_queue:delete_crashed(Q, ActingUser).
+
+-spec delete_crashed_internal(amqqueue:amqqueue(), rabbit_types:username()) -> 'ok'.
+delete_crashed_internal(Q, ActingUser) when ?amqqueue_is_classic(Q) ->
+    rabbit_classic_queue:delete_crashed_internal(Q, ActingUser).
+
 -spec purge(amqqueue:amqqueue()) -> qlen().
 purge(Q) when ?is_amqqueue(Q) ->
     rabbit_queue_type:purge(Q).
diff --git a/src/rabbit_channel.erl b/src/rabbit_channel.erl
index b5c4ca8ca0..b788180b0f 100644
--- a/src/rabbit_channel.erl
+++ b/src/rabbit_channel.erl
@@ -2709,7 +2709,7 @@ handle_queue_actions(Actions, #ch{} = State0) ->
 
       end, State0, Actions).
 
-find_queue_name_from_pid(Pid, QStates) ->
+find_queue_name_from_pid(Pid, QStates) when is_pid(Pid) ->
     Fun = fun(K, _V, undefined) ->
                   {ok, Q} = rabbit_amqqueue:lookup(K),
                   Pids = get_queue_pids(Q),
@@ -2718,7 +2718,9 @@ find_queue_name_from_pid(Pid, QStates) ->
                           K;
                       false ->
                           undefined
-                  end
+                  end;
+             (_K, _V, Acc) ->
+                  Acc
           end,
     rabbit_queue_type:fold_state(Fun, undefined, QStates).
 
diff --git a/src/rabbit_classic_queue.erl b/src/rabbit_classic_queue.erl
index cd601eb5ca..c9d9b951c9 100644
--- a/src/rabbit_classic_queue.erl
+++ b/src/rabbit_classic_queue.erl
@@ -336,7 +336,10 @@ info(Q, Items) ->
         {ok, Result} ->
             Result;
         {error, _Err} ->
-            []
+            [];
+        Result when is_list(Result) ->
+            %% this is a backwards compatibility clause
+            Result
     end.
 
 -spec purge(amqqueue:amqqueue()) ->