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Fix gtkprintbackendcups crash

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From trying to call g_list_delete_link with a NULL node or
removed_printer_checklist.
This commit is contained in:
John Ralls 2013-03-01 10:13:20 -08:00
parent c7cf937789
commit 54ffc982e9
1 changed files with 9 additions and 5 deletions
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14
modules/printbackends/cups/gtkprintbackendcups.c
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@ -2067,11 +2067,15 @@ cups_request_printer_list_cb (GtkPrintBackendCups *cups_backend,
}
/* remove name from checklist if it was found */
node = g_list_find_custom (removed_printer_checklist,
info->printer_name,
(GCompareFunc) find_printer);
removed_printer_checklist = g_list_delete_link (removed_printer_checklist,
node);
if (removed_printer_checklist != NULL)
{
if (node = g_list_find_custom (removed_printer_checklist,
info->printer_name,
(GCompareFunc) find_printer))
removed_printer_checklist =
g_list_delete_link (removed_printer_checklist,
node);
}
printer = gtk_print_backend_find_printer (backend, info->printer_name);
if (!printer)