[X25]: Avoid divides and sparse warnings

[linux-2.6] / net / x25 / af_x25.c

diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 0d6002fc77b26108973c0e270263ec389db0690e..07fad7ccf83204c137b90fb0bfc906dd25a0dfbf 100644 (file)
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -83,9 +83,9 @@ struct compat_x25_subscrip_struct {
 int x25_addr_ntoa(unsigned char *p, struct x25_address *called_addr,
                  struct x25_address *calling_addr)
 {
-       int called_len, calling_len;
+       unsigned int called_len, calling_len;
        char *called, *calling;
-       int i;
+       unsigned int i;
 
        called_len  = (*p >> 0) & 0x0F;
        calling_len = (*p >> 4) & 0x0F;
@@ -191,6 +191,9 @@ static int x25_device_event(struct notifier_block *this, unsigned long event,
        struct net_device *dev = ptr;
        struct x25_neigh *nb;
 
+       if (dev->nd_net != &init_net)
+               return NOTIFY_DONE;
+
        if (dev->type == ARPHRD_X25
 #if defined(CONFIG_LLC) || defined(CONFIG_LLC_MODULE)
         || dev->type == ARPHRD_ETHER
@@ -466,10 +469,10 @@ static struct proto x25_proto = {
        .obj_size = sizeof(struct x25_sock),
 };
 
-static struct sock *x25_alloc_socket(void)
+static struct sock *x25_alloc_socket(struct net *net)
 {
        struct x25_sock *x25;
-       struct sock *sk = sk_alloc(AF_X25, GFP_ATOMIC, &x25_proto, 1);
+       struct sock *sk = sk_alloc(net, AF_X25, GFP_ATOMIC, &x25_proto);
 
        if (!sk)
                goto out;
@@ -485,17 +488,20 @@ out:
        return sk;
 }
 
-static int x25_create(struct socket *sock, int protocol)
+static int x25_create(struct net *net, struct socket *sock, int protocol)
 {
        struct sock *sk;
        struct x25_sock *x25;
        int rc = -ESOCKTNOSUPPORT;
 
+       if (net != &init_net)
+               return -EAFNOSUPPORT;
+
        if (sock->type != SOCK_SEQPACKET || protocol)
                goto out;
 
        rc = -ENOMEM;
-       if ((sk = x25_alloc_socket()) == NULL)
+       if ((sk = x25_alloc_socket(net)) == NULL)
                goto out;
 
        x25 = x25_sk(sk);
@@ -543,7 +549,7 @@ static struct sock *x25_make_new(struct sock *osk)
        if (osk->sk_type != SOCK_SEQPACKET)
                goto out;
 
-       if ((sk = x25_alloc_socket()) == NULL)
+       if ((sk = x25_alloc_socket(osk->sk_net)) == NULL)
                goto out;
 
        x25 = x25_sk(sk);
@@ -1605,7 +1611,6 @@ static const struct proto_ops SOCKOPS_WRAPPED(x25_proto_ops) = {
        .sendpage =     sock_no_sendpage,
 };
 
-#include <linux/smp_lock.h>
 SOCKOPS_WRAP(x25_proto, AF_X25);
 
 static struct packet_type x25_packet_type = {