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-rw-r--r--lib/mnesia/src/mnesia_subscr.erl10
-rw-r--r--lib/mnesia/test/mnesia_evil_coverage_test.erl4
2 files changed, 11 insertions, 3 deletions
diff --git a/lib/mnesia/src/mnesia_subscr.erl b/lib/mnesia/src/mnesia_subscr.erl
index 415c69d508..8f78dc55e8 100644
--- a/lib/mnesia/src/mnesia_subscr.erl
+++ b/lib/mnesia/src/mnesia_subscr.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2013. 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
@@ -447,8 +447,12 @@ deactivate(ClientPid, What, Var, SubscrTab) ->
{'EXIT', _} ->
unlink(ClientPid)
end,
- del_subscr(Var, What, ClientPid),
- {ok, node()}.
+ try
+ del_subscr(Var, What, ClientPid),
+ {ok, node()}
+ catch _:_ ->
+ {error, badarg}
+ end.
del_subscr(subscribers, _What, Pid) ->
mnesia_lib:del(subscribers, Pid);
diff --git a/lib/mnesia/test/mnesia_evil_coverage_test.erl b/lib/mnesia/test/mnesia_evil_coverage_test.erl
index 0df245b75d..db23a39943 100644
--- a/lib/mnesia/test/mnesia_evil_coverage_test.erl
+++ b/lib/mnesia/test/mnesia_evil_coverage_test.erl
@@ -1985,6 +1985,10 @@ subscribe_standard(Config) when is_list(Config)->
?match({atomic, ok}, mnesia:create_table(Tab, Def)),
%% Check system events
+ ?match({error, {badarg, foo}}, mnesia:unsubscribe(foo)),
+ ?match({error, badarg}, mnesia:unsubscribe({table, foo})),
+ ?match(_, mnesia:unsubscribe(activity)),
+
?match({ok, N1}, mnesia:subscribe(system)),
?match({ok, N1}, mnesia:subscribe(activity)),