diff --git a/[refs] b/[refs]
index c1d0c95b1f00..870a9c1f0843 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1281bc256543eb610b14fa95ce1967397931a120
+refs/heads/master: 746ae30f821a8533ffba7769e492f59a96fdbeec
diff --git a/trunk/drivers/isdn/divert/divert_procfs.c b/trunk/drivers/isdn/divert/divert_procfs.c
index 33ec9e467772..9021182c4b76 100644
--- a/trunk/drivers/isdn/divert/divert_procfs.c
+++ b/trunk/drivers/isdn/divert/divert_procfs.c
@@ -242,6 +242,12 @@ static int isdn_divert_ioctl_unlocked(struct file *file, uint cmd, ulong arg)
 		case IIOCDOCFINT:
 			if (!divert_if.drv_to_name(dioctl.cf_ctrl.drvid))
 				return (-EINVAL);	/* invalid driver */
+			if (strnlen(dioctl.cf_ctrl.msn, sizeof(dioctl.cf_ctrl.msn)) ==
+					sizeof(dioctl.cf_ctrl.msn))
+				return -EINVAL;
+			if (strnlen(dioctl.cf_ctrl.fwd_nr, sizeof(dioctl.cf_ctrl.fwd_nr)) ==
+					sizeof(dioctl.cf_ctrl.fwd_nr))
+				return -EINVAL;
 			if ((i = cf_command(dioctl.cf_ctrl.drvid,
 					    (cmd == IIOCDOCFACT) ? 1 : (cmd == IIOCDOCFDIS) ? 0 : 2,
 					    dioctl.cf_ctrl.cfproc,