diff options
Diffstat (limited to 'drivers/isdn/mISDN/socket.c')
-rw-r--r-- | drivers/isdn/mISDN/socket.c | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c index 508945d1b9c1..c36f52137456 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/drivers/isdn/mISDN/socket.c @@ -209,7 +209,7 @@ mISDN_sock_sendmsg(struct kiocb *iocb, struct socket *sock, if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) { err = -EFAULT; - goto drop; + goto done; } memcpy(mISDN_HEAD_P(skb), skb->data, MISDN_HEADER_LEN); @@ -222,7 +222,7 @@ mISDN_sock_sendmsg(struct kiocb *iocb, struct socket *sock, } else { /* use default for L2 messages */ if ((sk->sk_protocol == ISDN_P_LAPD_TE) || (sk->sk_protocol == ISDN_P_LAPD_NT)) - mISDN_HEAD_ID(skb) = _pms(sk)->ch.nr; + mISDN_HEAD_ID(skb) = _pms(sk)->ch.nr; } if (*debug & DEBUG_SOCKET) @@ -230,19 +230,21 @@ mISDN_sock_sendmsg(struct kiocb *iocb, struct socket *sock, __func__, mISDN_HEAD_ID(skb)); err = -ENODEV; - if (!_pms(sk)->ch.peer || - (err = _pms(sk)->ch.recv(_pms(sk)->ch.peer, skb))) - goto drop; - - err = len; + if (!_pms(sk)->ch.peer) + goto done; + err = _pms(sk)->ch.recv(_pms(sk)->ch.peer, skb); + if (err) + goto done; + else { + skb = NULL; + err = len; + } done: + if (skb) + kfree_skb(skb); release_sock(sk); return err; - -drop: - kfree_skb(skb); - goto done; } static int @@ -292,7 +294,7 @@ static int data_sock_ioctl_bound(struct sock *sk, unsigned int cmd, void __user *p) { struct mISDN_ctrl_req cq; - int err = -EINVAL, val; + int err = -EINVAL, val[2]; struct mISDNchannel *bchan, *next; lock_sock(sk); @@ -328,12 +330,27 @@ data_sock_ioctl_bound(struct sock *sk, unsigned int cmd, void __user *p) err = -EINVAL; break; } - if (get_user(val, (int __user *)p)) { + val[0] = cmd; + if (get_user(val[1], (int __user *)p)) { + err = -EFAULT; + break; + } + err = _pms(sk)->dev->teimgr->ctrl(_pms(sk)->dev->teimgr, + CONTROL_CHANNEL, val); + break; + case IMHOLD_L1: + if (sk->sk_protocol != ISDN_P_LAPD_NT + && sk->sk_protocol != ISDN_P_LAPD_TE) { + err = -EINVAL; + break; + } + val[0] = cmd; + if (get_user(val[1], (int __user *)p)) { err = -EFAULT; break; } err = _pms(sk)->dev->teimgr->ctrl(_pms(sk)->dev->teimgr, - CONTROL_CHANNEL, &val); + CONTROL_CHANNEL, val); break; default: err = -EINVAL; |