Bad note store GC timer deactivation.

Wrong field in the state record was set (timeout instead active).
Stefan Grundmann
OTP-9690

2 files changed, 29 insertions, 4 deletions

diff --git a/lib/snmp/src/app/snmp.appup.src b/lib/snmp/src/app/snmp.appup.src
index 0b6ea93231..b4b5367169 100644
--- a/lib/snmp/src/app/snmp.appup.src
+++ b/lib/snmp/src/app/snmp.appup.src
@@ -22,8 +22,14 @@
 %% ----- U p g r a d e -------------------------------------------------------
 
  [
+  {"4.21.1", 
+   [
+    {update, snmp_note_store, soft, soft_purge, soft_purge, []}
+   ]
+  }, 
   {"4.21", 
    [
+    {update, snmp_note_store, soft, soft_purge, soft_purge, []}, 
     {load_module, snmp_target_mib, soft_purge, soft_purge, []}
    ]
   }, 
@@ -40,6 +46,7 @@
     {load_module, snmpa_mpd, soft_purge, soft_purge, 
      [snmp_conf, snmp_config]}, 
     {load_module, snmpa_conf, soft_purge, soft_purge, [snmp_config]}, 
+    {update, snmp_note_store, soft, soft_purge, soft_purge, []}, 
     {update, snmpa_agent, soft, soft_purge, soft_purge, [snmpa_mpd]}, 
     {update, snmpm_config, soft, soft_purge, soft_purge, [snmp_conf]}, 
     {update, snmpm_server, soft, soft_purge, soft_purge, 
@@ -61,6 +68,7 @@
     {load_module, snmpa_mpd, soft_purge, soft_purge, 
      [snmp_conf, snmp_config]}, 
     {load_module, snmpa_conf, soft_purge, soft_purge, [snmp_config]}, 
+    {update, snmp_note_store, soft, soft_purge, soft_purge, []}, 
     {update, snmpa_agent, soft, soft_purge, soft_purge, [snmpa_mpd]}, 
     {update, snmpm_config, soft, soft_purge, soft_purge, [snmp_conf]}, 
     {update, snmpm_server, soft, soft_purge, soft_purge, 
@@ -99,6 +107,7 @@
     {load_module, snmp_community_mib, soft_purge, soft_purge, []}, 
     {load_module, snmp_target_mib, soft_purge, soft_purge, 
      [snmp_conf]},
+    {update, snmp_note_store, soft, soft_purge, soft_purge, []}, 
     {update, snmpm_net_if, soft, soft_purge, soft_purge, 
      [snmp_conf, snmpm_mpd, snmpm_config]},
     {update, snmpm_config, soft, soft_purge, soft_purge, [snmp_conf]}, 
@@ -115,8 +124,14 @@
 %% ------D o w n g r a d e ---------------------------------------------------
 
  [
+  {"4.21.1", 
+   [
+    {update, snmp_note_store, soft, soft_purge, soft_purge, []}
+   ]
+  }, 
   {"4.21", 
    [
+    {update, snmp_note_store, soft, soft_purge, soft_purge, []}, 
     {load_module, snmp_target_mib, soft_purge, soft_purge, []}
    ]
   }, 
@@ -133,6 +148,7 @@
     {load_module, snmpa_mpd, soft_purge, soft_purge, 
      [snmp_conf, snmp_config]}, 
     {load_module, snmpa_conf, soft_purge, soft_purge, [snmp_config]}, 
+    {update, snmp_note_store, soft, soft_purge, soft_purge, []}, 
     {update, snmpa_agent, soft, soft_purge, soft_purge, [snmpa_mpd]}, 
     {update, snmpm_config, soft, soft_purge, soft_purge, [snmp_conf]}, 
     {update, snmpm_server, soft, soft_purge, soft_purge, 
@@ -154,6 +170,7 @@
     {load_module, snmpa_mpd, soft_purge, soft_purge, 
      [snmp_conf, snmp_config]}, 
     {load_module, snmpa_conf, soft_purge, soft_purge, [snmp_config]}, 
+    {update, snmp_note_store, soft, soft_purge, soft_purge, []}, 
     {update, snmpa_agent, soft, soft_purge, soft_purge, [snmpa_mpd]}, 
     {update, snmpm_config, soft, soft_purge, soft_purge, [snmp_conf]}, 
     {update, snmpm_server, soft, soft_purge, soft_purge, 
@@ -192,6 +209,7 @@
     {load_module, snmp_community_mib, soft_purge, soft_purge, []}, 
     {load_module, snmp_target_mib, soft_purge, soft_purge, 
      [snmp_conf]},
+    {update, snmp_note_store, soft, soft_purge, soft_purge, []}, 
     {update, snmpm_net_if, soft, soft_purge, soft_purge, 
      [snmp_conf, snmpm_mpd, snmpm_config]},
     {update, snmpm_config, soft, soft_purge, soft_purge, [snmp_conf]}, 
diff --git a/lib/snmp/src/misc/snmp_note_store.erl b/lib/snmp/src/misc/snmp_note_store.erl
index a21a6209f1..23fccf8a5f 100644
--- a/lib/snmp/src/misc/snmp_note_store.erl
+++ b/lib/snmp/src/misc/snmp_note_store.erl
@@ -258,10 +258,17 @@ code_change({down, _Vsn}, State, _Extra) ->
     {ok, NState};
 
 % upgrade
-code_change(_Vsn, State, _Extra) ->
+code_change(_Vsn, State0, _Extra) ->
     process_flag(trap_exit, true),
-    NState = restart_timer(State),
-    {ok, NState}.
+    State1 = 
+	case State0 of
+	    #state{timeout = false} ->
+		State0#state{timeout = ?timeout};
+	    _ ->
+		State0
+	end,
+    State2 = restart_timer(State1),
+    {ok, State2}.
 
 
 %%----------------------------------------------------------
@@ -282,7 +289,7 @@ deactivate_timer(#state{timer = Pid, active = true} = State) ->
     receive
 	deactivated -> ok
     end,
-    State#state{timeout = false};
+    State#state{active = false};
 deactivate_timer(State) ->
     State.