diff options
Diffstat (limited to 'net/atm')
| -rw-r--r-- | net/atm/pppoatm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/atm/pppoatm.c b/net/atm/pppoatm.c index c4a57bca77bf..aeb726cffc8c 100644 --- a/net/atm/pppoatm.c +++ b/net/atm/pppoatm.c @@ -284,6 +284,13 @@ static int pppoatm_send(struct ppp_channel *chan, struct sk_buff *skb) bh_lock_sock(sk_atm(vcc)); if (sock_owned_by_user(sk_atm(vcc))) goto nospace; + if (test_bit(ATM_VF_RELEASED, &vcc->flags) || + test_bit(ATM_VF_CLOSE, &vcc->flags) || + !test_bit(ATM_VF_READY, &vcc->flags)) { + bh_unlock_sock(sk_atm(vcc)); + kfree_skb(skb); + return DROP_PACKET; + } switch (pvcc->encaps) { /* LLC encapsulation needed */ case e_llc: |