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mISDN: Correct busy device detection 

Correct busy device detection.
This fix belongs to last commit.

Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
hifive-unleashed-5.1
Andreas Eversberg 2008-09-14 14:42:18 +02:00 committed by Karsten Keil
parent 1b4d33121f
commit 9a812553bd
2 changed files with 18 additions and 15 deletions
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30
drivers/isdn/mISDN/socket.c
View File

@ -483,22 +483,24 @@ data_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
goto done;
}
read_lock_bh(&data_sockets.lock);
sk_for_each(csk, node, &data_sockets.head) {
if (sk == csk)
continue;
if (_pms(csk)->dev != _pms(sk)->dev)
continue;
if (csk->sk_protocol >= ISDN_P_B_START)
continue;
if (IS_ISDN_P_TE(csk->sk_protocol)
== IS_ISDN_P_TE(sk->sk_protocol))
continue;
if (sk->sk_protocol < ISDN_P_B_START) {
read_lock_bh(&data_sockets.lock);
sk_for_each(csk, node, &data_sockets.head) {
if (sk == csk)
continue;
if (_pms(csk)->dev != _pms(sk)->dev)
continue;
if (csk->sk_protocol >= ISDN_P_B_START)
continue;
if (IS_ISDN_P_TE(csk->sk_protocol)
== IS_ISDN_P_TE(sk->sk_protocol))
continue;
read_unlock_bh(&data_sockets.lock);
err = -EBUSY;
goto done;
}
read_unlock_bh(&data_sockets.lock);
err = -EBUSY;
goto done;
}
read_unlock_bh(&data_sockets.lock);
_pms(sk)->ch.send = mISDN_send;
_pms(sk)->ch.ctrl = mISDN_ctrl;

3
drivers/isdn/mISDN/stack.c
View File

@ -446,7 +446,8 @@ connect_layer1(struct mISDNdevice *dev, struct mISDNchannel *ch,
rq.protocol = protocol;
rq.adr.channel = adr->channel;
err = dev->D.ctrl(&dev->D, OPEN_CHANNEL, &rq);
printk(KERN_DEBUG "%s: ret 1 %d\n", __func__, err);
printk(KERN_DEBUG "%s: ret %d (dev %d)\n", __func__, err,
dev->id);
if (err)
return err;
write_lock_bh(&dev->D.st->l1sock.lock);