make /dev/kmem a config option

[linux-2.6] / net / ipv4 / ip_sockglue.c

diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index b854431047a46adffbe09ee621f2d4344c06ec80..4d8d95404f4544a4d1ce25034e44ce03fde8d08f 100644 (file)
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -36,6 +36,7 @@
 #include <linux/mroute.h>
 #include <net/route.h>
 #include <net/xfrm.h>
+#include <net/compat.h>
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 #include <net/transp_v6.h>
 #endif
@@ -449,7 +450,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                struct ip_options * opt = NULL;
                if (optlen > 40 || optlen < 0)
                        goto e_inval;
-               err = ip_options_get_from_user(sk->sk_net, &opt,
+               err = ip_options_get_from_user(sock_net(sk), &opt,
                                               optval, optlen);
                if (err)
                        break;
@@ -590,13 +591,13 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                                err = 0;
                                break;
                        }
-                       dev = ip_dev_find(sk->sk_net, mreq.imr_address.s_addr);
+                       dev = ip_dev_find(sock_net(sk), mreq.imr_address.s_addr);
                        if (dev) {
                                mreq.imr_ifindex = dev->ifindex;
                                dev_put(dev);
                        }
                } else
-                       dev = __dev_get_by_index(sk->sk_net, mreq.imr_ifindex);
+                       dev = __dev_get_by_index(sock_net(sk), mreq.imr_ifindex);
 
 
                err = -EADDRNOTAVAIL;
@@ -923,6 +924,10 @@ int compat_ip_setsockopt(struct sock *sk, int level, int optname,
        if (level != SOL_IP)
                return -ENOPROTOOPT;
 
+       if (optname >= MCAST_JOIN_GROUP && optname <= MCAST_MSFILTER)
+               return compat_mc_setsockopt(sk, level, optname, optval, optlen,
+                       ip_setsockopt);
+
        err = do_ip_setsockopt(sk, level, optname, optval, optlen);
 #ifdef CONFIG_NETFILTER
        /* we need to exclude all possible ENOPROTOOPTs except default case */
@@ -1133,7 +1138,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
        }
        release_sock(sk);
 
-       if (len < sizeof(int) && len > 0 && val>=0 && val<255) {
+       if (len < sizeof(int) && len > 0 && val>=0 && val<=255) {
                unsigned char ucval = (unsigned char)val;
                len = 1;
                if (put_user(len, optlen))