Merge branch 'hb/unmatched_returns/OTP-10908'

* hb/unmatched_returns/OTP-10908:
  Fix unmatched_returns warnings in Kernel
  Fix a minor bug in ets:tabfile_info() and ets:file2tab()
  Fix unmatched_returns warning in Kernel
  Fix unmatched_return warnings in sasl
  Fix unmatched_return warnings in kernel
  Fix unmatched_return warning in erl_prim_loader
  Fix unmatched_return warnings in stdlib
  Fix unmatched_returns warnings in STDLIB and Kernel

1 files changed, 12 insertions, 6 deletions

diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl
index 54328cd9ff..d18387568d 100644
--- a/lib/stdlib/src/supervisor.erl
+++ b/lib/stdlib/src/supervisor.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
 %%
 %% The contents of this file are subject to the Erlang Public License,
 %% Version 1.1, (the "License"); you may not use this file except in
@@ -260,7 +260,7 @@ init_children(State, StartSpec) ->
                 {ok, NChildren} ->
                     {ok, State#state{children = NChildren}};
                 {error, NChildren, Reason} ->
-                    terminate_children(NChildren, SupName),
+                    _ = terminate_children(NChildren, SupName),
                     {stop, {shutdown, Reason}}
             end;
         Error ->
@@ -752,10 +752,16 @@ restart(Child, State) ->
 		    Id = if ?is_simple(State) -> Child#child.pid;
 			    true -> Child#child.name
 			 end,
-		    timer:apply_after(0,?MODULE,try_again_restart,[self(),Id]),
+		    {ok, _TRef} = timer:apply_after(0,
+                                                    ?MODULE,
+                                                    try_again_restart,
+                                                    [self(),Id]),
 		    {ok,NState2};
 		{try_again, NState2, #child{name=ChName}} ->
-		    timer:apply_after(0,?MODULE,try_again_restart,[self(),ChName]),
+		    {ok, _TRef} = timer:apply_after(0,
+						    ?MODULE,
+						    try_again_restart,
+						    [self(),ChName]),
 		    {ok,NState2};
 		Other ->
 		    Other
@@ -850,7 +856,7 @@ terminate_children(Children, SupName) ->
 %% we do want them to be shut down as many functions from this module
 %% use this function to just clear everything.
 terminate_children([Child = #child{restart_type=temporary} | Children], SupName, Res) ->
-    do_terminate(Child, SupName),
+    _ = do_terminate(Child, SupName),
     terminate_children(Children, SupName, Res);
 terminate_children([Child | Children], SupName, Res) ->
     NChild = do_terminate(Child, SupName),
@@ -1008,7 +1014,7 @@ wait_dynamic_children(_Child, _Pids, 0, undefined, EStack) ->
 wait_dynamic_children(_Child, _Pids, 0, TRef, EStack) ->
 	%% If the timer has expired before its cancellation, we must empty the
 	%% mail-box of the 'timeout'-message.
-    erlang:cancel_timer(TRef),
+    _ = erlang:cancel_timer(TRef),
     receive
         {timeout, TRef, kill} ->
             EStack