Merge branch 'maint-20' into maint

* maint-20:
  Updated OTP version
  Prepare release
  erl_interface: Optimize latin1_to_utf8 and friend
  inets: Fix broken httpc options handling
  erl_interface: Fix ei_connect
  ssh: Fix server crashes for exit-normal signals
  ssh: Fix ssh_sftpd:handle_op not returning State
  ic: Optimize oe_ei_encode_atom

3 files changed, 39 insertions, 3 deletions

diff --git a/lib/ssh/doc/src/notes.xml b/lib/ssh/doc/src/notes.xml
index 1bba667f0f..1453141811 100644
--- a/lib/ssh/doc/src/notes.xml
+++ b/lib/ssh/doc/src/notes.xml
@@ -30,6 +30,29 @@
     <file>notes.xml</file>
   </header>
 
+<section><title>Ssh 4.6.8</title>
+
+    <section><title>Fixed Bugs and Malfunctions</title>
+      <list>
+        <item>
+          <p>
+	    An ssh_sftp server (running version 6) could fail if it
+	    is told to remove a file which in fact is a directory.</p>
+          <p>
+	    Own Id: OTP-15004</p>
+        </item>
+        <item>
+          <p>
+	    Fix rare spurios shutdowns of ssh servers when receiveing
+	    <c>{'EXIT',_,normal}</c> messages.</p>
+          <p>
+	    Own Id: OTP-15018</p>
+        </item>
+      </list>
+    </section>
+
+</section>
+
 <section><title>Ssh 4.6.7</title>
 
     <section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index e11d3adee4..ad23d82ea8 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -1379,8 +1379,21 @@ handle_event(info, {'DOWN', _Ref, process, ChannelPid, _Reason}, _, D0) ->
     {keep_state, D, Repls};
 
 %%% So that terminate will be run when supervisor is shutdown
-handle_event(info, {'EXIT', _Sup, Reason}, _, _) ->
-    {stop, {shutdown, Reason}};
+handle_event(info, {'EXIT', _Sup, Reason}, StateName, _) ->
+    Role = role(StateName),
+    if
+	Role == client ->
+	    %% OTP-8111 tells this function clause fixes a problem in
+	    %% clients, but there were no check for that role.
+	    {stop, {shutdown, Reason}};
+
+	Reason == normal ->
+	    %% An exit normal should not cause a server to crash. This has happend...
+	    keep_state_and_data;
+
+	true ->
+	    {stop, {shutdown, Reason}}
+    end;
 
 handle_event(info, check_cache, _, D) ->
     {keep_state, cache_check_set_idle_timer(D)};
diff --git a/lib/ssh/vsn.mk b/lib/ssh/vsn.mk
index d5eed0b087..f327d2ec11 100644
--- a/lib/ssh/vsn.mk
+++ b/lib/ssh/vsn.mk
@@ -1,4 +1,4 @@
 #-*-makefile-*-   ; force emacs to enter makefile-mode
 
-SSH_VSN = 4.6.7
+SSH_VSN = 4.6.8
 APP_VSN    = "ssh-$(SSH_VSN)"