File 3482-snmp-Dialyzer-fixes.patch of Package erlang

From 59e242ad410bb818884db4eb87d69b436ae0239f Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Wed, 30 Sep 2020 16:36:09 +0200
Subject: [PATCH 12/21] [snmp] Dialyzer fixes

OTP-16649
---
 lib/snmp/src/agent/snmp_framework_mib.erl | 8 +-------
 lib/snmp/src/manager/snmpm_server.erl     | 1 +
 lib/snmp/src/misc/snmp_conf.erl           | 2 +-
 3 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/lib/snmp/src/agent/snmp_framework_mib.erl b/lib/snmp/src/agent/snmp_framework_mib.erl
index cc0838fc77..fa0464c077 100644
--- a/lib/snmp/src/agent/snmp_framework_mib.erl
+++ b/lib/snmp/src/agent/snmp_framework_mib.erl
@@ -278,13 +278,7 @@ check_agent({intAgentTransports = Tag, Transports}, {_, Port} = State)
                          "~n      Opts:    ~p", [Domain, Address, Kind, Opts]),
                  ok = snmp_conf:check_transport_kind(Kind),
                  ?vtrace("check_agent(intAgentTransports) -> checked kind"),
-                 CheckedOpts = 
-                     case snmp_conf:check_transport_opts(Opts) of
-                         ok ->
-                             Opts;
-                         {ok, Opts2} ->
-                             Opts2
-                     end,
+                 CheckedOpts = snmp_conf:check_transport_opts(Opts),
                  ?vtrace("check_agent(intAgentTransports) -> checked opts: "
                          "~n      ~p", [CheckedOpts]),
                  case snmp_conf:check_transport_address(Domain, Address) of
diff --git a/lib/snmp/src/manager/snmpm_server.erl b/lib/snmp/src/manager/snmpm_server.erl
index e64b11dd77..fedb1d2b32 100644
--- a/lib/snmp/src/manager/snmpm_server.erl
+++ b/lib/snmp/src/manager/snmpm_server.erl
@@ -3520,6 +3520,7 @@ nis_stop(_) ->
     ok.
 
 
+-dialyzer({nowarn_function, nis_info/1}).
 nis_info(NIS) when is_pid(NIS) ->
     NIS ! {?MODULE, self(), info},
     receive
diff --git a/lib/snmp/src/misc/snmp_conf.erl b/lib/snmp/src/misc/snmp_conf.erl
index 4e11742515..0de2490b3d 100644
--- a/lib/snmp/src/misc/snmp_conf.erl
+++ b/lib/snmp/src/misc/snmp_conf.erl
@@ -851,7 +851,7 @@ check_transport_opts(BadOpts) ->
     error({bad_transport_opts, BadOpts}).
 
 check_transport_opts([], Extra, Acc) ->
-    {ok, lists:reverse(Acc) ++ Extra};
+    lists:reverse(Acc) ++ Extra;
 check_transport_opts([{bind_to, BindTo} = Opt|Opts], Extra, Acc)
   when is_boolean(BindTo) ->
     check_transport_opts(Opts, Extra, [Opt|Acc]);
-- 
2.26.2