diff options
| -rw-r--r-- | net/atm/pppoatm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/atm/pppoatm.c b/net/atm/pppoatm.c index 226dca989448..f27a07a3c546 100644 --- a/net/atm/pppoatm.c +++ b/net/atm/pppoatm.c @@ -406,6 +406,8 @@ static int pppoatm_ioctl(struct socket *sock, unsigned int cmd, return -ENOIOCTLCMD; if (!capable(CAP_NET_ADMIN)) return -EPERM; + if (sock->state != SS_CONNECTED) + return -EINVAL; return pppoatm_assign_vcc(atmvcc, argp); } case PPPIOCGCHAN: |