--- a/pppd/plugins/pppol2tp/pppol2tp.c
+++ b/pppd/plugins/pppol2tp/pppol2tp.c
-@@ -148,6 +148,10 @@ static int setdevname_pppol2tp(char **ar
- fatal("PPPoL2TP kernel driver not installed");
- }
+@@ -152,6 +152,10 @@ static int setdevname_pppol2tp(char **ar
+ if (pppol2tp_fd_str == NULL)
+ novm("PPPoL2TP FD");
+ pppol2tp_fd_str = strdup(*argv);
+ if (pppol2tp_fd_str == NULL)