diff options
| -rw-r--r-- | drivers/isdn/divert/divert_procfs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c index 33ec9e467772..9021182c4b76 100644 --- a/drivers/isdn/divert/divert_procfs.c +++ b/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, |