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Diffstat (limited to 'net/atm/svc.c')
-rw-r--r--net/atm/svc.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/net/atm/svc.c b/net/atm/svc.c
index de1e4f2..7b831b5 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -293,7 +293,10 @@ static int svc_listen(struct socket *sock,int backlog)
error = -EINVAL;
goto out;
}
- vcc_insert_socket(sk);
+ if (test_bit(ATM_VF_LISTEN, &vcc->flags)) {
+ error = -EADDRINUSE;
+ goto out;
+ }
set_bit(ATM_VF_WAITING, &vcc->flags);
prepare_to_wait(sk->sk_sleep, &wait, TASK_UNINTERRUPTIBLE);
sigd_enq(vcc,as_listen,NULL,NULL,&vcc->local);
@@ -307,6 +310,7 @@ static int svc_listen(struct socket *sock,int backlog)
goto out;
}
set_bit(ATM_VF_LISTEN,&vcc->flags);
+ vcc_insert_socket(sk);
sk->sk_max_ack_backlog = backlog > 0 ? backlog : ATM_BACKLOG_DEFAULT;
error = -sk->sk_err;
out:
@@ -604,6 +608,22 @@ static int svc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
return error;
}
+#ifdef CONFIG_COMPAT
+static int svc_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+ /* The definition of ATM_ADDPARTY uses the size of struct atm_iobuf.
+ But actually it takes a struct sockaddr_atmsvc, which doesn't need
+ compat handling. So all we have to do is fix up cmd... */
+ if (cmd == COMPAT_ATM_ADDPARTY)
+ cmd = ATM_ADDPARTY;
+
+ if (cmd == ATM_ADDPARTY || cmd == ATM_DROPPARTY)
+ return svc_ioctl(sock, cmd, arg);
+ else
+ return vcc_compat_ioctl(sock, cmd, arg);
+}
+#endif /* CONFIG_COMPAT */
+
static const struct proto_ops svc_proto_ops = {
.family = PF_ATMSVC,
.owner = THIS_MODULE,
@@ -616,6 +636,9 @@ static const struct proto_ops svc_proto_ops = {
.getname = svc_getname,
.poll = vcc_poll,
.ioctl = svc_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = svc_compat_ioctl,
+#endif
.listen = svc_listen,
.shutdown = svc_shutdown,
.setsockopt = svc_setsockopt,
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