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-rw-r--r--net/ipv4/devinet.c29
1 files changed, 18 insertions, 11 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 82def2c1c650..8b2a44c4f82a 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1236,12 +1236,12 @@ errout:
1236 1236
1237#ifdef CONFIG_SYSCTL 1237#ifdef CONFIG_SYSCTL
1238 1238
1239static void devinet_copy_dflt_conf(int i) 1239static void devinet_copy_dflt_conf(struct net *net, int i)
1240{ 1240{
1241 struct net_device *dev; 1241 struct net_device *dev;
1242 1242
1243 read_lock(&dev_base_lock); 1243 read_lock(&dev_base_lock);
1244 for_each_netdev(&init_net, dev) { 1244 for_each_netdev(net, dev) {
1245 struct in_device *in_dev; 1245 struct in_device *in_dev;
1246 rcu_read_lock(); 1246 rcu_read_lock();
1247 in_dev = __in_dev_get_rcu(dev); 1247 in_dev = __in_dev_get_rcu(dev);
@@ -1252,7 +1252,7 @@ static void devinet_copy_dflt_conf(int i)
1252 read_unlock(&dev_base_lock); 1252 read_unlock(&dev_base_lock);
1253} 1253}
1254 1254
1255static void inet_forward_change(void) 1255static void inet_forward_change(struct net *net)
1256{ 1256{
1257 struct net_device *dev; 1257 struct net_device *dev;
1258 int on = IPV4_DEVCONF_ALL(FORWARDING); 1258 int on = IPV4_DEVCONF_ALL(FORWARDING);
@@ -1261,7 +1261,7 @@ static void inet_forward_change(void)
1261 IPV4_DEVCONF_DFLT(FORWARDING) = on; 1261 IPV4_DEVCONF_DFLT(FORWARDING) = on;
1262 1262
1263 read_lock(&dev_base_lock); 1263 read_lock(&dev_base_lock);
1264 for_each_netdev(&init_net, dev) { 1264 for_each_netdev(net, dev) {
1265 struct in_device *in_dev; 1265 struct in_device *in_dev;
1266 rcu_read_lock(); 1266 rcu_read_lock();
1267 in_dev = __in_dev_get_rcu(dev); 1267 in_dev = __in_dev_get_rcu(dev);
@@ -1282,12 +1282,13 @@ static int devinet_conf_proc(ctl_table *ctl, int write,
1282 1282
1283 if (write) { 1283 if (write) {
1284 struct ipv4_devconf *cnf = ctl->extra1; 1284 struct ipv4_devconf *cnf = ctl->extra1;
1285 struct net *net = ctl->extra2;
1285 int i = (int *)ctl->data - cnf->data; 1286 int i = (int *)ctl->data - cnf->data;
1286 1287
1287 set_bit(i, cnf->state); 1288 set_bit(i, cnf->state);
1288 1289
1289 if (cnf == &ipv4_devconf_dflt) 1290 if (cnf == &ipv4_devconf_dflt)
1290 devinet_copy_dflt_conf(i); 1291 devinet_copy_dflt_conf(net, i);
1291 } 1292 }
1292 1293
1293 return ret; 1294 return ret;
@@ -1298,6 +1299,7 @@ static int devinet_conf_sysctl(ctl_table *table, int __user *name, int nlen,
1298 void __user *newval, size_t newlen) 1299 void __user *newval, size_t newlen)
1299{ 1300{
1300 struct ipv4_devconf *cnf; 1301 struct ipv4_devconf *cnf;
1302 struct net *net;
1301 int *valp = table->data; 1303 int *valp = table->data;
1302 int new; 1304 int new;
1303 int i; 1305 int i;
@@ -1333,12 +1335,13 @@ static int devinet_conf_sysctl(ctl_table *table, int __user *name, int nlen,
1333 *valp = new; 1335 *valp = new;
1334 1336
1335 cnf = table->extra1; 1337 cnf = table->extra1;
1338 net = table->extra2;
1336 i = (int *)table->data - cnf->data; 1339 i = (int *)table->data - cnf->data;
1337 1340
1338 set_bit(i, cnf->state); 1341 set_bit(i, cnf->state);
1339 1342
1340 if (cnf == &ipv4_devconf_dflt) 1343 if (cnf == &ipv4_devconf_dflt)
1341 devinet_copy_dflt_conf(i); 1344 devinet_copy_dflt_conf(net, i);
1342 1345
1343 return 1; 1346 return 1;
1344} 1347}
@@ -1352,8 +1355,10 @@ static int devinet_sysctl_forward(ctl_table *ctl, int write,
1352 int ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos); 1355 int ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
1353 1356
1354 if (write && *valp != val) { 1357 if (write && *valp != val) {
1358 struct net *net = ctl->extra2;
1359
1355 if (valp == &IPV4_DEVCONF_ALL(FORWARDING)) 1360 if (valp == &IPV4_DEVCONF_ALL(FORWARDING))
1356 inet_forward_change(); 1361 inet_forward_change(net);
1357 else if (valp != &IPV4_DEVCONF_DFLT(FORWARDING)) 1362 else if (valp != &IPV4_DEVCONF_DFLT(FORWARDING))
1358 rt_cache_flush(0); 1363 rt_cache_flush(0);
1359 } 1364 }
@@ -1477,6 +1482,7 @@ static int __devinet_sysctl_register(struct net *net, char *dev_name,
1477 for (i = 0; i < ARRAY_SIZE(t->devinet_vars) - 1; i++) { 1482 for (i = 0; i < ARRAY_SIZE(t->devinet_vars) - 1; i++) {
1478 t->devinet_vars[i].data += (char *)p - (char *)&ipv4_devconf; 1483 t->devinet_vars[i].data += (char *)p - (char *)&ipv4_devconf;
1479 t->devinet_vars[i].extra1 = p; 1484 t->devinet_vars[i].extra1 = p;
1485 t->devinet_vars[i].extra2 = net;
1480 } 1486 }
1481 1487
1482 /* 1488 /*
@@ -1524,8 +1530,8 @@ static void devinet_sysctl_register(struct in_device *idev)
1524{ 1530{
1525 neigh_sysctl_register(idev->dev, idev->arp_parms, NET_IPV4, 1531 neigh_sysctl_register(idev->dev, idev->arp_parms, NET_IPV4,
1526 NET_IPV4_NEIGH, "ipv4", NULL, NULL); 1532 NET_IPV4_NEIGH, "ipv4", NULL, NULL);
1527 __devinet_sysctl_register(idev->dev->name, idev->dev->ifindex, 1533 __devinet_sysctl_register(idev->dev->nd_net, idev->dev->name,
1528 &idev->cnf); 1534 idev->dev->ifindex, &idev->cnf);
1529} 1535}
1530 1536
1531static void devinet_sysctl_unregister(struct in_device *idev) 1537static void devinet_sysctl_unregister(struct in_device *idev)
@@ -1546,6 +1552,7 @@ static struct ctl_table ctl_forward_entry[] = {
1546 .proc_handler = devinet_sysctl_forward, 1552 .proc_handler = devinet_sysctl_forward,
1547 .strategy = devinet_conf_sysctl, 1553 .strategy = devinet_conf_sysctl,
1548 .extra1 = &ipv4_devconf, 1554 .extra1 = &ipv4_devconf,
1555 .extra2 = &init_net,
1549 }, 1556 },
1550 { }, 1557 { },
1551}; 1558};
@@ -1565,9 +1572,9 @@ void __init devinet_init(void)
1565 rtnl_register(PF_INET, RTM_DELADDR, inet_rtm_deladdr, NULL); 1572 rtnl_register(PF_INET, RTM_DELADDR, inet_rtm_deladdr, NULL);
1566 rtnl_register(PF_INET, RTM_GETADDR, NULL, inet_dump_ifaddr); 1573 rtnl_register(PF_INET, RTM_GETADDR, NULL, inet_dump_ifaddr);
1567#ifdef CONFIG_SYSCTL 1574#ifdef CONFIG_SYSCTL
1568 __devinet_sysctl_register("all", NET_PROTO_CONF_ALL, 1575 __devinet_sysctl_register(&init_net, "all", NET_PROTO_CONF_ALL,
1569 &ipv4_devconf); 1576 &ipv4_devconf);
1570 __devinet_sysctl_register("default", NET_PROTO_CONF_DEFAULT, 1577 __devinet_sysctl_register(&init_net, "default", NET_PROTO_CONF_DEFAULT,
1571 &ipv4_devconf_dflt); 1578 &ipv4_devconf_dflt);
1572 register_sysctl_paths(net_ipv4_path, ctl_forward_entry); 1579 register_sysctl_paths(net_ipv4_path, ctl_forward_entry);
1573#endif 1580#endif