[hotssh] tab: Avoid queuing pty size request when disconnected

[Colin Walters <walters src gnome org>]

commit 5b9305ef45fb2b06113fb3c735ca18b0840af4cc
Author: Colin Walters <walters verbum org>
Date:   Thu Feb 27 08:17:36 2014 -0500

    tab: Avoid queuing pty size request when disconnected
    
    This was a crasher.

 src/hotssh-tab.c |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)
---
diff --git a/src/hotssh-tab.c b/src/hotssh-tab.c
index 4fff82f..af4db51 100644
--- a/src/hotssh-tab.c
+++ b/src/hotssh-tab.c
@@ -859,10 +859,16 @@ idle_send_pty_size_request (gpointer user_data)
   guint height = vte_terminal_get_row_count ((VteTerminal*)priv->terminal);
 
   priv->queued_pty_size_id = 0;
-  priv->need_pty_size_request = FALSE;
-  priv->sent_pty_size_request = TRUE;
-  gssh_channel_request_pty_size_async (priv->channel, width, height,
-                                      priv->cancellable, on_pty_size_complete, self);
+
+  g_assert (priv->connection);
+
+  if (gssh_connection_get_state (priv->connection) == GSSH_CONNECTION_STATE_CONNECTED)
+    {
+      priv->need_pty_size_request = FALSE;
+      priv->sent_pty_size_request = TRUE;
+      gssh_channel_request_pty_size_async (priv->channel, width, height,
+                                           priv->cancellable, on_pty_size_complete, self);
+    }
 
   return FALSE;
 }