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"dfilter_compile()" supplies a null dfilter pointer for an empty filter 

expression; don't assume it always supplies a non-null pointer.

svn path=/trunk/; revision=9657
This commit is contained in:
Guy Harris 2004-01-13 21:10:38 +00:00
parent 982a4976c7
commit 053ec89a5d
1 changed files with 3 additions and 2 deletions
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5
gtk/io_stat.c
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@ -1,7 +1,7 @@
/* io_stat.c
* io_stat 2002 Ronnie Sahlberg
*
* $Id: io_stat.c,v 1.55 2004/01/13 21:04:52 guy Exp $
* $Id: io_stat.c,v 1.56 2004/01/13 21:10:38 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -1494,7 +1494,8 @@ filter_callback(GtkWidget *widget _U_, io_stat_graph_t *gio)
io_stat_redraw(gio->io);
return 0;
}
dfilter_free(dfilter);
if (dfilter != NULL)
dfilter_free(dfilter);
/* this graph is not active, just update display and redraw */
if(!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(gio->display_button))){