Check malloc() return value.

modules/demux/subtitle.c

@@ -2,7 +2,7 @@
  * subtitle.c: Demux for subtitle text files.
  *****************************************************************************
  * Copyright (C) 1999-2004 the VideoLAN team
- * $Id$
+ * $Id: 6990562ea05f756333a9a79d2d41a4dcc407331c $
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *          Derk-Jan Hartman <hartman at videolan dot org>
@@ -189,6 +189,11 @@ static int Open ( vlc_object_t *p_this )
     p_demux->pf_demux = Demux;
     p_demux->pf_control = Control;
     p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
+    if( !p_sys )
+    {
+        msg_Err( p_demux, "out of memory" );
+        return VLC_ENOMEM;
+    }
     p_sys->psz_header         = NULL;
     p_sys->i_subtitle         = 0;
     p_sys->i_subtitles        = 0;
@@ -1301,4 +1306,3 @@ static int ParseDVDSubtitle( demux_t *p_demux, subtitle_t *p_subtitle )
         }
     }
 }
-