Revert "ssh: ignore timeouts during disconnect"

This reverts commit f31760e. Shipped in
curl 7.54.1.

Bug: https://curl.haxx.se/mail/lib-2020-05/0068.html
Closes #5465

lib/vssh/libssh2.c

@@ -99,7 +99,6 @@
         libssh2_sftp_symlink_ex((s), (p), curlx_uztoui(strlen(p)), \
                                 (t), (m), LIBSSH2_SFTP_REALPATH)
 
-
 /* Local functions: */
 static const char *sftp_libssh2_strerror(int err);
 static LIBSSH2_ALLOC_FUNC(my_libssh2_malloc);
@@ -2930,7 +2929,7 @@ static CURLcode ssh_multi_statemach(struct connectdata *conn, bool *done)
 }
 
 static CURLcode ssh_block_statemach(struct connectdata *conn,
-                                    bool disconnect)
+                                   bool duringconnect)
 {
   struct ssh_conn *sshc = &conn->proto.sshc;
   CURLcode result = CURLE_OK;
@@ -2945,19 +2944,17 @@ static CURLcode ssh_block_statemach(struct connectdata *conn,
     if(result)
       break;
 
-    if(!disconnect) {
-      if(Curl_pgrsUpdate(conn))
-        return CURLE_ABORTED_BY_CALLBACK;
+    if(Curl_pgrsUpdate(conn))
+      return CURLE_ABORTED_BY_CALLBACK;
 
-      result = Curl_speedcheck(data, now);
-      if(result)
-        break;
+    result = Curl_speedcheck(data, now);
+    if(result)
+      break;
 
-      left = Curl_timeleft(data, NULL, FALSE);
-      if(left < 0) {
-        failf(data, "Operation timed out");
-        return CURLE_OPERATION_TIMEDOUT;
-      }
+    left = Curl_timeleft(data, NULL, duringconnect);
+    if(left < 0) {
+      failf(data, "Operation timed out");
+      return CURLE_OPERATION_TIMEDOUT;
     }
 
 #ifdef HAVE_LIBSSH2_SESSION_BLOCK_DIRECTION
@@ -3180,7 +3177,7 @@ static CURLcode scp_disconnect(struct connectdata *conn, bool dead_connection)
 
     state(conn, SSH_SESSION_DISCONNECT);
 
-    result = ssh_block_statemach(conn, TRUE);
+    result = ssh_block_statemach(conn, FALSE);
   }
 
   return result;
@@ -3329,7 +3326,7 @@ static CURLcode sftp_disconnect(struct connectdata *conn, bool dead_connection)
   if(conn->proto.sshc.ssh_session) {
     /* only if there's a session still around to use! */
     state(conn, SSH_SFTP_SHUTDOWN);
-    result = ssh_block_statemach(conn, TRUE);
+    result = ssh_block_statemach(conn, FALSE);
   }
 
   DEBUGF(infof(conn->data, "SSH DISCONNECT is done\n"));