#include <linux/netdevice.h>
#include <linux/uio.h>
#include <linux/skbuff.h>
+#include <linux/smp_lock.h>
#include <linux/socket.h>
#include <linux/sockios.h>
#include <linux/string.h>
* socket object. */
static int ipx_setsockopt(struct socket *sock, int level, int optname,
- char __user *optval, int optlen)
+ char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
int opt;
int rc = -EINVAL;
+ lock_kernel();
if (optlen != sizeof(int))
goto out;
ipx_sk(sk)->type = opt;
rc = 0;
out:
+ unlock_kernel();
return rc;
}
int len;
int rc = -ENOPROTOOPT;
+ lock_kernel();
if (!(level == SOL_IPX && optname == IPX_TYPE))
goto out;
rc = 0;
out:
+ unlock_kernel();
return rc;
}
.obj_size = sizeof(struct ipx_sock),
};
-static int ipx_create(struct net *net, struct socket *sock, int protocol)
+static int ipx_create(struct net *net, struct socket *sock, int protocol,
+ int kern)
{
int rc = -ESOCKTNOSUPPORT;
struct sock *sk;
- if (net != &init_net)
+ if (!net_eq(net, &init_net))
return -EAFNOSUPPORT;
/*
if (!sk)
goto out;
+ lock_kernel();
if (!sock_flag(sk, SOCK_DEAD))
sk->sk_state_change(sk);
sock->sk = NULL;
sk_refcnt_debug_release(sk);
ipx_destroy_socket(sk);
+ unlock_kernel();
out:
return 0;
}
return htons(socketNum);
}
-static int ipx_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+static int __ipx_bind(struct socket *sock,
+ struct sockaddr *uaddr, int addr_len)
{
struct sock *sk = sock->sk;
struct ipx_sock *ipxs = ipx_sk(sk);
return rc;
}
+static int ipx_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+{
+ int rc;
+
+ lock_kernel();
+ rc = __ipx_bind(sock, uaddr, addr_len);
+ unlock_kernel();
+
+ return rc;
+}
+
static int ipx_connect(struct socket *sock, struct sockaddr *uaddr,
int addr_len, int flags)
{
sk->sk_state = TCP_CLOSE;
sock->state = SS_UNCONNECTED;
+ lock_kernel();
if (addr_len != sizeof(*addr))
goto out;
addr = (struct sockaddr_ipx *)uaddr;
IPX_NODE_LEN);
#endif /* CONFIG_IPX_INTERN */
- rc = ipx_bind(sock, (struct sockaddr *)&uaddr,
+ rc = __ipx_bind(sock, (struct sockaddr *)&uaddr,
sizeof(struct sockaddr_ipx));
if (rc)
goto out;
ipxrtr_put(rt);
rc = 0;
out:
+ unlock_kernel();
return rc;
}
*uaddr_len = sizeof(struct sockaddr_ipx);
+ lock_kernel();
if (peer) {
rc = -ENOTCONN;
if (sk->sk_state != TCP_ESTABLISHED)
rc = 0;
out:
+ unlock_kernel();
+ return rc;
+}
+
+static unsigned int ipx_datagram_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
+{
+ int rc;
+
+ lock_kernel();
+ rc = datagram_poll(file, sock, wait);
+ unlock_kernel();
+
return rc;
}
int rc = -EINVAL;
int flags = msg->msg_flags;
+ lock_kernel();
/* Socket gets bound below anyway */
/* if (sk->sk_zapped)
return -EIO; */ /* Socket not bound */
memcpy(uaddr.sipx_node, ipxs->intrfc->if_node,
IPX_NODE_LEN);
#endif
- rc = ipx_bind(sock, (struct sockaddr *)&uaddr,
+ rc = __ipx_bind(sock, (struct sockaddr *)&uaddr,
sizeof(struct sockaddr_ipx));
if (rc)
goto out;
if (rc >= 0)
rc = len;
out:
+ unlock_kernel();
return rc;
}
struct sk_buff *skb;
int copied, rc;
+ lock_kernel();
/* put the autobinding in */
if (!ipxs->port) {
struct sockaddr_ipx uaddr;
memcpy(uaddr.sipx_node, ipxs->intrfc->if_node, IPX_NODE_LEN);
#endif /* CONFIG_IPX_INTERN */
- rc = ipx_bind(sock, (struct sockaddr *)&uaddr,
+ rc = __ipx_bind(sock, (struct sockaddr *)&uaddr,
sizeof(struct sockaddr_ipx));
if (rc)
goto out;
out_free:
skb_free_datagram(sk, skb);
out:
+ unlock_kernel();
return rc;
}
struct sock *sk = sock->sk;
void __user *argp = (void __user *)arg;
+ lock_kernel();
switch (cmd) {
case TIOCOUTQ:
- amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+ amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
if (amount < 0)
amount = 0;
rc = put_user(amount, (int __user *)argp);
rc = -ENOIOCTLCMD;
break;
}
+ unlock_kernel();
return rc;
}
* Socket family declarations
*/
-static struct net_proto_family ipx_family_ops = {
+static const struct net_proto_family ipx_family_ops = {
.family = PF_IPX,
.create = ipx_create,
.owner = THIS_MODULE,
};
-static const struct proto_ops SOCKOPS_WRAPPED(ipx_dgram_ops) = {
+static const struct proto_ops ipx_dgram_ops = {
.family = PF_IPX,
.owner = THIS_MODULE,
.release = ipx_release,
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = ipx_getname,
- .poll = datagram_poll,
+ .poll = ipx_datagram_poll,
.ioctl = ipx_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ipx_compat_ioctl,
.sendpage = sock_no_sendpage,
};
-SOCKOPS_WRAP(ipx_dgram, PF_IPX);
-
-static struct packet_type ipx_8023_packet_type = {
- .type = __constant_htons(ETH_P_802_3),
+static struct packet_type ipx_8023_packet_type __read_mostly = {
+ .type = cpu_to_be16(ETH_P_802_3),
.func = ipx_rcv,
};
-static struct packet_type ipx_dix_packet_type = {
- .type = __constant_htons(ETH_P_IPX),
+static struct packet_type ipx_dix_packet_type __read_mostly = {
+ .type = cpu_to_be16(ETH_P_IPX),
.func = ipx_rcv,
};
extern struct datalink_proto *make_EII_client(void);
extern void destroy_EII_client(struct datalink_proto *);
-static unsigned char ipx_8022_type = 0xE0;
-static unsigned char ipx_snap_id[5] = { 0x0, 0x0, 0x0, 0x81, 0x37 };
-static char ipx_EII_err_msg[] __initdata =
+static const unsigned char ipx_8022_type = 0xE0;
+static const unsigned char ipx_snap_id[5] = { 0x0, 0x0, 0x0, 0x81, 0x37 };
+static const char ipx_EII_err_msg[] __initconst =
KERN_CRIT "IPX: Unable to register with Ethernet II\n";
-static char ipx_8023_err_msg[] __initdata =
+static const char ipx_8023_err_msg[] __initconst =
KERN_CRIT "IPX: Unable to register with 802.3\n";
-static char ipx_llc_err_msg[] __initdata =
+static const char ipx_llc_err_msg[] __initconst =
KERN_CRIT "IPX: Unable to register with 802.2\n";
-static char ipx_snap_err_msg[] __initdata =
+static const char ipx_snap_err_msg[] __initconst =
KERN_CRIT "IPX: Unable to register with SNAP\n";
static int __init ipx_init(void)