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authorLuke Bakken <luke@bakken.io>2021-12-20 09:10:52 -0800
committerLuke Bakken <luke@bakken.io>2021-12-20 09:10:52 -0800
commit7a3ab5e7377788ebf6dbeb05cd20528418b29fb3 (patch)
treeda2d8dbf1941b31ea4bf164dee63a6cac678438c
parent2b63bae50d68ba852ff6e4d5a5bd3f4f22420483 (diff)
downloadrabbitmq-server-git-lukebakken/rabbit_disk_monitor-improvements.tar.gz
-rw-r--r--deps/rabbit/src/rabbit_disk_monitor.erl8
-rw-r--r--deps/rabbit/test/unit_disk_monitor_mocks_SUITE.erl2
2 files changed, 7 insertions, 3 deletions
diff --git a/deps/rabbit/src/rabbit_disk_monitor.erl b/deps/rabbit/src/rabbit_disk_monitor.erl
index e095481353..28b4cb3eba 100644
--- a/deps/rabbit/src/rabbit_disk_monitor.erl
+++ b/deps/rabbit/src/rabbit_disk_monitor.erl
@@ -180,8 +180,12 @@ code_change(_OldVsn, State, _Extra) ->
safe_ets_lookup(Key, Default) ->
try
- [{Key, Value}] = ets:lookup(?ETS_NAME, Key),
- Value
+ case ets:lookup(?ETS_NAME, Key) of
+ [{Key, Value}] ->
+ Value;
+ [] ->
+ Default
+ end
catch
error:badarg ->
Default
diff --git a/deps/rabbit/test/unit_disk_monitor_mocks_SUITE.erl b/deps/rabbit/test/unit_disk_monitor_mocks_SUITE.erl
index 80fa3d2e09..ae16cbb379 100644
--- a/deps/rabbit/test/unit_disk_monitor_mocks_SUITE.erl
+++ b/deps/rabbit/test/unit_disk_monitor_mocks_SUITE.erl
@@ -88,7 +88,7 @@ disk_monitor_enable1(_Config) ->
application:set_env(rabbit, disk_monitor_failure_retry_interval, 100),
ok = rabbit_sup:stop_child(rabbit_disk_monitor_sup),
ok = rabbit_sup:start_delayed_restartable_child(rabbit_disk_monitor, [1000]),
- undefined = rabbit_disk_monitor:get_disk_free(),
+ unknown = rabbit_disk_monitor:get_disk_free(),
Cmd = case os:type() of
{win32, _} -> " Le volume dans le lecteur C n’a pas de nom.\n"
" Le numéro de série du volume est 707D-5BDC\n"