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Diffstat (limited to 'net/econet/af_econet.c')
-rw-r--r--net/econet/af_econet.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 35c96bcc0f3..9cae16b4e0b 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -336,6 +336,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
/* Real hardware Econet. We're not worthy etc. */
#ifdef CONFIG_ECONET_NATIVE
unsigned short proto = 0;
+ int res;
dev_hold(dev);
@@ -354,12 +355,12 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
eb->sec = *saddr;
eb->sent = ec_tx_done;
- if (dev->hard_header) {
- int res;
+ err = -EINVAL;
+ res = dev_hard_header(skb, dev, ntohs(proto), &addr, NULL, len);
+ if (res < 0)
+ goto out_free;
+ if (res > 0) {
struct ec_framehdr *fh;
- err = -EINVAL;
- res = dev->hard_header(skb, dev, ntohs(proto),
- &addr, NULL, len);
/* Poke in our control byte and
port number. Hack, hack. */
fh = (struct ec_framehdr *)(skb->data);
@@ -368,8 +369,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
if (sock->type != SOCK_DGRAM) {
skb_reset_tail_pointer(skb);
skb->len = 0;
- } else if (res < 0)
- goto out_free;
+ }
}
/* Copy the data. Returns -EFAULT on error */
@@ -608,12 +608,15 @@ static struct proto econet_proto = {
* Create an Econet socket
*/
-static int econet_create(struct socket *sock, int protocol)
+static int econet_create(struct net *net, struct socket *sock, int protocol)
{
struct sock *sk;
struct econet_sock *eo;
int err;
+ if (net != &init_net)
+ return -EAFNOSUPPORT;
+
/* Econet only provides datagram services. */
if (sock->type != SOCK_DGRAM)
return -ESOCKTNOSUPPORT;
@@ -621,7 +624,7 @@ static int econet_create(struct socket *sock, int protocol)
sock->state = SS_UNCONNECTED;
err = -ENOBUFS;
- sk = sk_alloc(PF_ECONET, GFP_KERNEL, &econet_proto, 1);
+ sk = sk_alloc(net, PF_ECONET, GFP_KERNEL, &econet_proto, 1);
if (sk == NULL)
goto out;
@@ -659,7 +662,7 @@ static int ec_dev_ioctl(struct socket *sock, unsigned int cmd, void __user *arg)
if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
return -EFAULT;
- if ((dev = dev_get_by_name(ifr.ifr_name)) == NULL)
+ if ((dev = dev_get_by_name(&init_net, ifr.ifr_name)) == NULL)
return -ENODEV;
sec = (struct sockaddr_ec *)&ifr.ifr_addr;
@@ -1062,6 +1065,9 @@ static int econet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
struct sock *sk;
struct ec_device *edev = dev->ec_ptr;
+ if (dev->nd_net != &init_net)
+ goto drop;
+
if (skb->pkt_type == PACKET_OTHERHOST)
goto drop;
@@ -1116,6 +1122,9 @@ static int econet_notifier(struct notifier_block *this, unsigned long msg, void
struct net_device *dev = (struct net_device *)data;
struct ec_device *edev;
+ if (dev->nd_net != &init_net)
+ return NOTIFY_DONE;
+
switch (msg) {
case NETDEV_UNREGISTER:
/* A device has gone down - kill any data we hold for it. */