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-rw-r--r--drivers/net/bonding/bond_main.c2
-rw-r--r--drivers/net/wan/sdlamain.c23
-rw-r--r--drivers/net/wan/syncppp.c2
-rw-r--r--drivers/net/wireless/strip.c4
-rw-r--r--drivers/parisc/led.c5
-rw-r--r--drivers/s390/net/qeth_main.c4
-rw-r--r--include/linux/inetdevice.h12
-rw-r--r--net/atm/clip.c2
-rw-r--r--net/core/netpoll.c2
-rw-r--r--net/core/pktgen.c2
-rw-r--r--net/econet/af_econet.c2
-rw-r--r--net/ipv4/arp.c10
-rw-r--r--net/ipv4/devinet.c22
-rw-r--r--net/ipv4/fib_frontend.c4
-rw-r--r--net/ipv4/fib_semantics.c4
-rw-r--r--net/ipv4/igmp.c2
-rw-r--r--net/ipv4/ip_gre.c4
-rw-r--r--net/ipv4/ipmr.c6
-rw-r--r--net/ipv4/netfilter/ip_conntrack_netbios_ns.c2
-rw-r--r--net/ipv4/netfilter/ipt_REDIRECT.c2
-rw-r--r--net/ipv4/route.c6
-rw-r--r--net/ipv6/addrconf.c2
-rw-r--r--net/irda/irlan/irlan_eth.c2
-rw-r--r--net/sctp/protocol.c2
24 files changed, 73 insertions, 55 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 6d00c3de1a83..bf81cd45e4d4 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2776,7 +2776,7 @@ static u32 bond_glean_dev_ip(struct net_device *dev)
2776 return 0; 2776 return 0;
2777 2777
2778 rcu_read_lock(); 2778 rcu_read_lock();
2779 idev = __in_dev_get(dev); 2779 idev = __in_dev_get_rcu(dev);
2780 if (!idev) 2780 if (!idev)
2781 goto out; 2781 goto out;
2782 2782
diff --git a/drivers/net/wan/sdlamain.c b/drivers/net/wan/sdlamain.c
index 74e151acef3e..7a8b22a7ea31 100644
--- a/drivers/net/wan/sdlamain.c
+++ b/drivers/net/wan/sdlamain.c
@@ -57,6 +57,7 @@
57#include <linux/ioport.h> /* request_region(), release_region() */ 57#include <linux/ioport.h> /* request_region(), release_region() */
58#include <linux/wanrouter.h> /* WAN router definitions */ 58#include <linux/wanrouter.h> /* WAN router definitions */
59#include <linux/wanpipe.h> /* WANPIPE common user API definitions */ 59#include <linux/wanpipe.h> /* WANPIPE common user API definitions */
60#include <linux/rcupdate.h>
60 61
61#include <linux/in.h> 62#include <linux/in.h>
62#include <asm/io.h> /* phys_to_virt() */ 63#include <asm/io.h> /* phys_to_virt() */
@@ -1268,37 +1269,41 @@ unsigned long get_ip_address(struct net_device *dev, int option)
1268 1269
1269 struct in_ifaddr *ifaddr; 1270 struct in_ifaddr *ifaddr;
1270 struct in_device *in_dev; 1271 struct in_device *in_dev;
1272 unsigned long addr = 0;
1271 1273
1272 if ((in_dev = __in_dev_get(dev)) == NULL){ 1274 rcu_read_lock();
1273 return 0; 1275 if ((in_dev = __in_dev_get_rcu(dev)) == NULL){
1276 goto out;
1274 } 1277 }
1275 1278
1276 if ((ifaddr = in_dev->ifa_list)== NULL ){ 1279 if ((ifaddr = in_dev->ifa_list)== NULL ){
1277 return 0; 1280 goto out;
1278 } 1281 }
1279 1282
1280 switch (option){ 1283 switch (option){
1281 1284
1282 case WAN_LOCAL_IP: 1285 case WAN_LOCAL_IP:
1283 return ifaddr->ifa_local; 1286 addr = ifaddr->ifa_local;
1284 break; 1287 break;
1285 1288
1286 case WAN_POINTOPOINT_IP: 1289 case WAN_POINTOPOINT_IP:
1287 return ifaddr->ifa_address; 1290 addr = ifaddr->ifa_address;
1288 break; 1291 break;
1289 1292
1290 case WAN_NETMASK_IP: 1293 case WAN_NETMASK_IP:
1291 return ifaddr->ifa_mask; 1294 addr = ifaddr->ifa_mask;
1292 break; 1295 break;
1293 1296
1294 case WAN_BROADCAST_IP: 1297 case WAN_BROADCAST_IP:
1295 return ifaddr->ifa_broadcast; 1298 addr = ifaddr->ifa_broadcast;
1296 break; 1299 break;
1297 default: 1300 default:
1298 return 0; 1301 break;
1299 } 1302 }
1300 1303
1301 return 0; 1304out:
1305 rcu_read_unlock();
1306 return addr;
1302} 1307}
1303 1308
1304void add_gateway(sdla_t *card, struct net_device *dev) 1309void add_gateway(sdla_t *card, struct net_device *dev)
diff --git a/drivers/net/wan/syncppp.c b/drivers/net/wan/syncppp.c
index b56a7b516d24..a6d3b55013a5 100644
--- a/drivers/net/wan/syncppp.c
+++ b/drivers/net/wan/syncppp.c
@@ -769,7 +769,7 @@ static void sppp_cisco_input (struct sppp *sp, struct sk_buff *skb)
769 u32 addr = 0, mask = ~0; /* FIXME: is the mask correct? */ 769 u32 addr = 0, mask = ~0; /* FIXME: is the mask correct? */
770#ifdef CONFIG_INET 770#ifdef CONFIG_INET
771 rcu_read_lock(); 771 rcu_read_lock();
772 if ((in_dev = __in_dev_get(dev)) != NULL) 772 if ((in_dev = __in_dev_get_rcu(dev)) != NULL)
773 { 773 {
774 for (ifa=in_dev->ifa_list; ifa != NULL; 774 for (ifa=in_dev->ifa_list; ifa != NULL;
775 ifa=ifa->ifa_next) { 775 ifa=ifa->ifa_next) {
diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index 4b0acae22b0d..7bc7fc823128 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -1352,7 +1352,7 @@ static unsigned char *strip_make_packet(unsigned char *buffer,
1352 struct in_device *in_dev; 1352 struct in_device *in_dev;
1353 1353
1354 rcu_read_lock(); 1354 rcu_read_lock();
1355 in_dev = __in_dev_get(strip_info->dev); 1355 in_dev = __in_dev_get_rcu(strip_info->dev);
1356 if (in_dev == NULL) { 1356 if (in_dev == NULL) {
1357 rcu_read_unlock(); 1357 rcu_read_unlock();
1358 return NULL; 1358 return NULL;
@@ -1508,7 +1508,7 @@ static void strip_send(struct strip *strip_info, struct sk_buff *skb)
1508 1508
1509 brd = addr = 0; 1509 brd = addr = 0;
1510 rcu_read_lock(); 1510 rcu_read_lock();
1511 in_dev = __in_dev_get(strip_info->dev); 1511 in_dev = __in_dev_get_rcu(strip_info->dev);
1512 if (in_dev) { 1512 if (in_dev) {
1513 if (in_dev->ifa_list) { 1513 if (in_dev->ifa_list) {
1514 brd = in_dev->ifa_list->ifa_broadcast; 1514 brd = in_dev->ifa_list->ifa_broadcast;
diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index e90fb72a6962..286902298e33 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -37,6 +37,7 @@
37#include <linux/proc_fs.h> 37#include <linux/proc_fs.h>
38#include <linux/ctype.h> 38#include <linux/ctype.h>
39#include <linux/blkdev.h> 39#include <linux/blkdev.h>
40#include <linux/rcupdate.h>
40#include <asm/io.h> 41#include <asm/io.h>
41#include <asm/processor.h> 42#include <asm/processor.h>
42#include <asm/hardware.h> 43#include <asm/hardware.h>
@@ -358,9 +359,10 @@ static __inline__ int led_get_net_activity(void)
358 /* we are running as tasklet, so locking dev_base 359 /* we are running as tasklet, so locking dev_base
359 * for reading should be OK */ 360 * for reading should be OK */
360 read_lock(&dev_base_lock); 361 read_lock(&dev_base_lock);
362 rcu_read_lock();
361 for (dev = dev_base; dev; dev = dev->next) { 363 for (dev = dev_base; dev; dev = dev->next) {
362 struct net_device_stats *stats; 364 struct net_device_stats *stats;
363 struct in_device *in_dev = __in_dev_get(dev); 365 struct in_device *in_dev = __in_dev_get_rcu(dev);
364 if (!in_dev || !in_dev->ifa_list) 366 if (!in_dev || !in_dev->ifa_list)
365 continue; 367 continue;
366 if (LOOPBACK(in_dev->ifa_list->ifa_local)) 368 if (LOOPBACK(in_dev->ifa_list->ifa_local))
@@ -371,6 +373,7 @@ static __inline__ int led_get_net_activity(void)
371 rx_total += stats->rx_packets; 373 rx_total += stats->rx_packets;
372 tx_total += stats->tx_packets; 374 tx_total += stats->tx_packets;
373 } 375 }
376 rcu_read_unlock();
374 read_unlock(&dev_base_lock); 377 read_unlock(&dev_base_lock);
375 378
376 retval = 0; 379 retval = 0;
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 86582cf1e19e..71de834ece1a 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -5200,7 +5200,7 @@ qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5200 if (!card->vlangrp) 5200 if (!card->vlangrp)
5201 return; 5201 return;
5202 rcu_read_lock(); 5202 rcu_read_lock();
5203 in_dev = __in_dev_get(card->vlangrp->vlan_devices[vid]); 5203 in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]);
5204 if (!in_dev) 5204 if (!in_dev)
5205 goto out; 5205 goto out;
5206 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { 5206 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
@@ -7725,7 +7725,7 @@ qeth_arp_constructor(struct neighbour *neigh)
7725 goto out; 7725 goto out;
7726 7726
7727 rcu_read_lock(); 7727 rcu_read_lock();
7728 in_dev = rcu_dereference(__in_dev_get(dev)); 7728 in_dev = __in_dev_get_rcu(dev);
7729 if (in_dev == NULL) { 7729 if (in_dev == NULL) {
7730 rcu_read_unlock(); 7730 rcu_read_unlock();
7731 return -EINVAL; 7731 return -EINVAL;
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index 7e1e15f934f3..fd7af86151b1 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -142,13 +142,21 @@ static __inline__ int bad_mask(u32 mask, u32 addr)
142 142
143#define endfor_ifa(in_dev) } 143#define endfor_ifa(in_dev) }
144 144
145static inline struct in_device *__in_dev_get_rcu(const struct net_device *dev)
146{
147 struct in_device *in_dev = dev->ip_ptr;
148 if (in_dev)
149 in_dev = rcu_dereference(in_dev);
150 return in_dev;
151}
152
145static __inline__ struct in_device * 153static __inline__ struct in_device *
146in_dev_get(const struct net_device *dev) 154in_dev_get(const struct net_device *dev)
147{ 155{
148 struct in_device *in_dev; 156 struct in_device *in_dev;
149 157
150 rcu_read_lock(); 158 rcu_read_lock();
151 in_dev = dev->ip_ptr; 159 in_dev = __in_dev_get_rcu(dev);
152 if (in_dev) 160 if (in_dev)
153 atomic_inc(&in_dev->refcnt); 161 atomic_inc(&in_dev->refcnt);
154 rcu_read_unlock(); 162 rcu_read_unlock();
@@ -156,7 +164,7 @@ in_dev_get(const struct net_device *dev)
156} 164}
157 165
158static __inline__ struct in_device * 166static __inline__ struct in_device *
159__in_dev_get(const struct net_device *dev) 167__in_dev_get_rtnl(const struct net_device *dev)
160{ 168{
161 return (struct in_device*)dev->ip_ptr; 169 return (struct in_device*)dev->ip_ptr;
162} 170}
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 28dab55a4387..4f54c9a5e84a 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -310,7 +310,7 @@ static int clip_constructor(struct neighbour *neigh)
310 if (neigh->type != RTN_UNICAST) return -EINVAL; 310 if (neigh->type != RTN_UNICAST) return -EINVAL;
311 311
312 rcu_read_lock(); 312 rcu_read_lock();
313 in_dev = rcu_dereference(__in_dev_get(dev)); 313 in_dev = __in_dev_get_rcu(dev);
314 if (!in_dev) { 314 if (!in_dev) {
315 rcu_read_unlock(); 315 rcu_read_unlock();
316 return -EINVAL; 316 return -EINVAL;
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 5265dfd69928..802fe11efad0 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -703,7 +703,7 @@ int netpoll_setup(struct netpoll *np)
703 703
704 if (!np->local_ip) { 704 if (!np->local_ip) {
705 rcu_read_lock(); 705 rcu_read_lock();
706 in_dev = __in_dev_get(ndev); 706 in_dev = __in_dev_get_rcu(ndev);
707 707
708 if (!in_dev || !in_dev->ifa_list) { 708 if (!in_dev || !in_dev->ifa_list) {
709 rcu_read_unlock(); 709 rcu_read_unlock();
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index b7f2d65a614f..44de070b6045 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1667,7 +1667,7 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
1667 struct in_device *in_dev; 1667 struct in_device *in_dev;
1668 1668
1669 rcu_read_lock(); 1669 rcu_read_lock();
1670 in_dev = __in_dev_get(pkt_dev->odev); 1670 in_dev = __in_dev_get_rcu(pkt_dev->odev);
1671 if (in_dev) { 1671 if (in_dev) {
1672 if (in_dev->ifa_list) { 1672 if (in_dev->ifa_list) {
1673 pkt_dev->saddr_min = in_dev->ifa_list->ifa_address; 1673 pkt_dev->saddr_min = in_dev->ifa_list->ifa_address;
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 4a62093eb343..34fdac51df96 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -406,7 +406,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
406 unsigned long network = 0; 406 unsigned long network = 0;
407 407
408 rcu_read_lock(); 408 rcu_read_lock();
409 idev = __in_dev_get(dev); 409 idev = __in_dev_get_rcu(dev);
410 if (idev) { 410 if (idev) {
411 if (idev->ifa_list) 411 if (idev->ifa_list)
412 network = ntohl(idev->ifa_list->ifa_address) & 412 network = ntohl(idev->ifa_list->ifa_address) &
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index ec0e36893b01..b425748f02d7 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -241,7 +241,7 @@ static int arp_constructor(struct neighbour *neigh)
241 neigh->type = inet_addr_type(addr); 241 neigh->type = inet_addr_type(addr);
242 242
243 rcu_read_lock(); 243 rcu_read_lock();
244 in_dev = rcu_dereference(__in_dev_get(dev)); 244 in_dev = __in_dev_get_rcu(dev);
245 if (in_dev == NULL) { 245 if (in_dev == NULL) {
246 rcu_read_unlock(); 246 rcu_read_unlock();
247 return -EINVAL; 247 return -EINVAL;
@@ -989,8 +989,8 @@ static int arp_req_set(struct arpreq *r, struct net_device * dev)
989 ipv4_devconf.proxy_arp = 1; 989 ipv4_devconf.proxy_arp = 1;
990 return 0; 990 return 0;
991 } 991 }
992 if (__in_dev_get(dev)) { 992 if (__in_dev_get_rtnl(dev)) {
993 __in_dev_get(dev)->cnf.proxy_arp = 1; 993 __in_dev_get_rtnl(dev)->cnf.proxy_arp = 1;
994 return 0; 994 return 0;
995 } 995 }
996 return -ENXIO; 996 return -ENXIO;
@@ -1095,8 +1095,8 @@ static int arp_req_delete(struct arpreq *r, struct net_device * dev)
1095 ipv4_devconf.proxy_arp = 0; 1095 ipv4_devconf.proxy_arp = 0;
1096 return 0; 1096 return 0;
1097 } 1097 }
1098 if (__in_dev_get(dev)) { 1098 if (__in_dev_get_rtnl(dev)) {
1099 __in_dev_get(dev)->cnf.proxy_arp = 0; 1099 __in_dev_get_rtnl(dev)->cnf.proxy_arp = 0;
1100 return 0; 1100 return 0;
1101 } 1101 }
1102 return -ENXIO; 1102 return -ENXIO;
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index ba2895ae8151..74f2207e131a 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -351,7 +351,7 @@ static int inet_insert_ifa(struct in_ifaddr *ifa)
351 351
352static int inet_set_ifa(struct net_device *dev, struct in_ifaddr *ifa) 352static int inet_set_ifa(struct net_device *dev, struct in_ifaddr *ifa)
353{ 353{
354 struct in_device *in_dev = __in_dev_get(dev); 354 struct in_device *in_dev = __in_dev_get_rtnl(dev);
355 355
356 ASSERT_RTNL(); 356 ASSERT_RTNL();
357 357
@@ -449,7 +449,7 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg
449 goto out; 449 goto out;
450 450
451 rc = -ENOBUFS; 451 rc = -ENOBUFS;
452 if ((in_dev = __in_dev_get(dev)) == NULL) { 452 if ((in_dev = __in_dev_get_rtnl(dev)) == NULL) {
453 in_dev = inetdev_init(dev); 453 in_dev = inetdev_init(dev);
454 if (!in_dev) 454 if (!in_dev)
455 goto out; 455 goto out;
@@ -584,7 +584,7 @@ int devinet_ioctl(unsigned int cmd, void __user *arg)
584 if (colon) 584 if (colon)
585 *colon = ':'; 585 *colon = ':';
586 586
587 if ((in_dev = __in_dev_get(dev)) != NULL) { 587 if ((in_dev = __in_dev_get_rtnl(dev)) != NULL) {
588 if (tryaddrmatch) { 588 if (tryaddrmatch) {
589 /* Matthias Andree */ 589 /* Matthias Andree */
590 /* compare label and address (4.4BSD style) */ 590 /* compare label and address (4.4BSD style) */
@@ -748,7 +748,7 @@ rarok:
748 748
749static int inet_gifconf(struct net_device *dev, char __user *buf, int len) 749static int inet_gifconf(struct net_device *dev, char __user *buf, int len)
750{ 750{
751 struct in_device *in_dev = __in_dev_get(dev); 751 struct in_device *in_dev = __in_dev_get_rtnl(dev);
752 struct in_ifaddr *ifa; 752 struct in_ifaddr *ifa;
753 struct ifreq ifr; 753 struct ifreq ifr;
754 int done = 0; 754 int done = 0;
@@ -791,7 +791,7 @@ u32 inet_select_addr(const struct net_device *dev, u32 dst, int scope)
791 struct in_device *in_dev; 791 struct in_device *in_dev;
792 792
793 rcu_read_lock(); 793 rcu_read_lock();
794 in_dev = __in_dev_get(dev); 794 in_dev = __in_dev_get_rcu(dev);
795 if (!in_dev) 795 if (!in_dev)
796 goto no_in_dev; 796 goto no_in_dev;
797 797
@@ -818,7 +818,7 @@ no_in_dev:
818 read_lock(&dev_base_lock); 818 read_lock(&dev_base_lock);
819 rcu_read_lock(); 819 rcu_read_lock();
820 for (dev = dev_base; dev; dev = dev->next) { 820 for (dev = dev_base; dev; dev = dev->next) {
821 if ((in_dev = __in_dev_get(dev)) == NULL) 821 if ((in_dev = __in_dev_get_rcu(dev)) == NULL)
822 continue; 822 continue;
823 823
824 for_primary_ifa(in_dev) { 824 for_primary_ifa(in_dev) {
@@ -887,7 +887,7 @@ u32 inet_confirm_addr(const struct net_device *dev, u32 dst, u32 local, int scop
887 887
888 if (dev) { 888 if (dev) {
889 rcu_read_lock(); 889 rcu_read_lock();
890 if ((in_dev = __in_dev_get(dev))) 890 if ((in_dev = __in_dev_get_rcu(dev)))
891 addr = confirm_addr_indev(in_dev, dst, local, scope); 891 addr = confirm_addr_indev(in_dev, dst, local, scope);
892 rcu_read_unlock(); 892 rcu_read_unlock();
893 893
@@ -897,7 +897,7 @@ u32 inet_confirm_addr(const struct net_device *dev, u32 dst, u32 local, int scop
897 read_lock(&dev_base_lock); 897 read_lock(&dev_base_lock);
898 rcu_read_lock(); 898 rcu_read_lock();
899 for (dev = dev_base; dev; dev = dev->next) { 899 for (dev = dev_base; dev; dev = dev->next) {
900 if ((in_dev = __in_dev_get(dev))) { 900 if ((in_dev = __in_dev_get_rcu(dev))) {
901 addr = confirm_addr_indev(in_dev, dst, local, scope); 901 addr = confirm_addr_indev(in_dev, dst, local, scope);
902 if (addr) 902 if (addr)
903 break; 903 break;
@@ -957,7 +957,7 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
957 void *ptr) 957 void *ptr)
958{ 958{
959 struct net_device *dev = ptr; 959 struct net_device *dev = ptr;
960 struct in_device *in_dev = __in_dev_get(dev); 960 struct in_device *in_dev = __in_dev_get_rtnl(dev);
961 961
962 ASSERT_RTNL(); 962 ASSERT_RTNL();
963 963
@@ -1078,7 +1078,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
1078 if (idx > s_idx) 1078 if (idx > s_idx)
1079 s_ip_idx = 0; 1079 s_ip_idx = 0;
1080 rcu_read_lock(); 1080 rcu_read_lock();
1081 if ((in_dev = __in_dev_get(dev)) == NULL) { 1081 if ((in_dev = __in_dev_get_rcu(dev)) == NULL) {
1082 rcu_read_unlock(); 1082 rcu_read_unlock();
1083 continue; 1083 continue;
1084 } 1084 }
@@ -1149,7 +1149,7 @@ void inet_forward_change(void)
1149 for (dev = dev_base; dev; dev = dev->next) { 1149 for (dev = dev_base; dev; dev = dev->next) {
1150 struct in_device *in_dev; 1150 struct in_device *in_dev;
1151 rcu_read_lock(); 1151 rcu_read_lock();
1152 in_dev = __in_dev_get(dev); 1152 in_dev = __in_dev_get_rcu(dev);
1153 if (in_dev) 1153 if (in_dev)
1154 in_dev->cnf.forwarding = on; 1154 in_dev->cnf.forwarding = on;
1155 rcu_read_unlock(); 1155 rcu_read_unlock();
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 4e1379f71269..e61bc7177eb1 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -173,7 +173,7 @@ int fib_validate_source(u32 src, u32 dst, u8 tos, int oif,
173 173
174 no_addr = rpf = 0; 174 no_addr = rpf = 0;
175 rcu_read_lock(); 175 rcu_read_lock();
176 in_dev = __in_dev_get(dev); 176 in_dev = __in_dev_get_rcu(dev);
177 if (in_dev) { 177 if (in_dev) {
178 no_addr = in_dev->ifa_list == NULL; 178 no_addr = in_dev->ifa_list == NULL;
179 rpf = IN_DEV_RPFILTER(in_dev); 179 rpf = IN_DEV_RPFILTER(in_dev);
@@ -607,7 +607,7 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
607static int fib_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) 607static int fib_netdev_event(struct notifier_block *this, unsigned long event, void *ptr)
608{ 608{
609 struct net_device *dev = ptr; 609 struct net_device *dev = ptr;
610 struct in_device *in_dev = __in_dev_get(dev); 610 struct in_device *in_dev = __in_dev_get_rtnl(dev);
611 611
612 if (event == NETDEV_UNREGISTER) { 612 if (event == NETDEV_UNREGISTER) {
613 fib_disable_ip(dev, 2); 613 fib_disable_ip(dev, 2);
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index d41219e8037c..186f20c4a45e 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1087,7 +1087,7 @@ fib_convert_rtentry(int cmd, struct nlmsghdr *nl, struct rtmsg *rtm,
1087 rta->rta_oif = &dev->ifindex; 1087 rta->rta_oif = &dev->ifindex;
1088 if (colon) { 1088 if (colon) {
1089 struct in_ifaddr *ifa; 1089 struct in_ifaddr *ifa;
1090 struct in_device *in_dev = __in_dev_get(dev); 1090 struct in_device *in_dev = __in_dev_get_rtnl(dev);
1091 if (!in_dev) 1091 if (!in_dev)
1092 return -ENODEV; 1092 return -ENODEV;
1093 *colon = ':'; 1093 *colon = ':';
@@ -1268,7 +1268,7 @@ int fib_sync_up(struct net_device *dev)
1268 } 1268 }
1269 if (nh->nh_dev == NULL || !(nh->nh_dev->flags&IFF_UP)) 1269 if (nh->nh_dev == NULL || !(nh->nh_dev->flags&IFF_UP))
1270 continue; 1270 continue;
1271 if (nh->nh_dev != dev || __in_dev_get(dev) == NULL) 1271 if (nh->nh_dev != dev || !__in_dev_get_rtnl(dev))
1272 continue; 1272 continue;
1273 alive++; 1273 alive++;
1274 spin_lock_bh(&fib_multipath_lock); 1274 spin_lock_bh(&fib_multipath_lock);
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 70c44e4c3ceb..8b6d3939e1e6 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1323,7 +1323,7 @@ static struct in_device * ip_mc_find_dev(struct ip_mreqn *imr)
1323 } 1323 }
1324 if (dev) { 1324 if (dev) {
1325 imr->imr_ifindex = dev->ifindex; 1325 imr->imr_ifindex = dev->ifindex;
1326 idev = __in_dev_get(dev); 1326 idev = __in_dev_get_rtnl(dev);
1327 } 1327 }
1328 return idev; 1328 return idev;
1329} 1329}
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index f0d5740d7e22..896ce3f8f53a 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1104,10 +1104,10 @@ static int ipgre_open(struct net_device *dev)
1104 return -EADDRNOTAVAIL; 1104 return -EADDRNOTAVAIL;
1105 dev = rt->u.dst.dev; 1105 dev = rt->u.dst.dev;
1106 ip_rt_put(rt); 1106 ip_rt_put(rt);
1107 if (__in_dev_get(dev) == NULL) 1107 if (__in_dev_get_rtnl(dev) == NULL)
1108 return -EADDRNOTAVAIL; 1108 return -EADDRNOTAVAIL;
1109 t->mlink = dev->ifindex; 1109 t->mlink = dev->ifindex;
1110 ip_mc_inc_group(__in_dev_get(dev), t->parms.iph.daddr); 1110 ip_mc_inc_group(__in_dev_get_rtnl(dev), t->parms.iph.daddr);
1111 } 1111 }
1112 return 0; 1112 return 0;
1113} 1113}
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 9dbf5909f3a6..302b7eb507c9 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -149,7 +149,7 @@ struct net_device *ipmr_new_tunnel(struct vifctl *v)
149 if (err == 0 && (dev = __dev_get_by_name(p.name)) != NULL) { 149 if (err == 0 && (dev = __dev_get_by_name(p.name)) != NULL) {
150 dev->flags |= IFF_MULTICAST; 150 dev->flags |= IFF_MULTICAST;
151 151
152 in_dev = __in_dev_get(dev); 152 in_dev = __in_dev_get_rtnl(dev);
153 if (in_dev == NULL && (in_dev = inetdev_init(dev)) == NULL) 153 if (in_dev == NULL && (in_dev = inetdev_init(dev)) == NULL)
154 goto failure; 154 goto failure;
155 in_dev->cnf.rp_filter = 0; 155 in_dev->cnf.rp_filter = 0;
@@ -278,7 +278,7 @@ static int vif_delete(int vifi)
278 278
279 dev_set_allmulti(dev, -1); 279 dev_set_allmulti(dev, -1);
280 280
281 if ((in_dev = __in_dev_get(dev)) != NULL) { 281 if ((in_dev = __in_dev_get_rtnl(dev)) != NULL) {
282 in_dev->cnf.mc_forwarding--; 282 in_dev->cnf.mc_forwarding--;
283 ip_rt_multicast_event(in_dev); 283 ip_rt_multicast_event(in_dev);
284 } 284 }
@@ -421,7 +421,7 @@ static int vif_add(struct vifctl *vifc, int mrtsock)
421 return -EINVAL; 421 return -EINVAL;
422 } 422 }
423 423
424 if ((in_dev = __in_dev_get(dev)) == NULL) 424 if ((in_dev = __in_dev_get_rtnl(dev)) == NULL)
425 return -EADDRNOTAVAIL; 425 return -EADDRNOTAVAIL;
426 in_dev->cnf.mc_forwarding++; 426 in_dev->cnf.mc_forwarding++;
427 dev_set_allmulti(dev, +1); 427 dev_set_allmulti(dev, +1);
diff --git a/net/ipv4/netfilter/ip_conntrack_netbios_ns.c b/net/ipv4/netfilter/ip_conntrack_netbios_ns.c
index 577bac22dcc6..186646eb249f 100644
--- a/net/ipv4/netfilter/ip_conntrack_netbios_ns.c
+++ b/net/ipv4/netfilter/ip_conntrack_netbios_ns.c
@@ -58,7 +58,7 @@ static int help(struct sk_buff **pskb,
58 goto out; 58 goto out;
59 59
60 rcu_read_lock(); 60 rcu_read_lock();
61 in_dev = __in_dev_get(rt->u.dst.dev); 61 in_dev = __in_dev_get_rcu(rt->u.dst.dev);
62 if (in_dev != NULL) { 62 if (in_dev != NULL) {
63 for_primary_ifa(in_dev) { 63 for_primary_ifa(in_dev) {
64 if (ifa->ifa_broadcast == iph->daddr) { 64 if (ifa->ifa_broadcast == iph->daddr) {
diff --git a/net/ipv4/netfilter/ipt_REDIRECT.c b/net/ipv4/netfilter/ipt_REDIRECT.c
index 715cb613405c..5245bfd33d52 100644
--- a/net/ipv4/netfilter/ipt_REDIRECT.c
+++ b/net/ipv4/netfilter/ipt_REDIRECT.c
@@ -93,7 +93,7 @@ redirect_target(struct sk_buff **pskb,
93 newdst = 0; 93 newdst = 0;
94 94
95 rcu_read_lock(); 95 rcu_read_lock();
96 indev = __in_dev_get((*pskb)->dev); 96 indev = __in_dev_get_rcu((*pskb)->dev);
97 if (indev && (ifa = indev->ifa_list)) 97 if (indev && (ifa = indev->ifa_list))
98 newdst = ifa->ifa_local; 98 newdst = ifa->ifa_local;
99 rcu_read_unlock(); 99 rcu_read_unlock();
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 8549f26e2495..381dd6a6aebb 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2128,7 +2128,7 @@ int ip_route_input(struct sk_buff *skb, u32 daddr, u32 saddr,
2128 struct in_device *in_dev; 2128 struct in_device *in_dev;
2129 2129
2130 rcu_read_lock(); 2130 rcu_read_lock();
2131 if ((in_dev = __in_dev_get(dev)) != NULL) { 2131 if ((in_dev = __in_dev_get_rcu(dev)) != NULL) {
2132 int our = ip_check_mc(in_dev, daddr, saddr, 2132 int our = ip_check_mc(in_dev, daddr, saddr,
2133 skb->nh.iph->protocol); 2133 skb->nh.iph->protocol);
2134 if (our 2134 if (our
@@ -2443,7 +2443,9 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
2443 err = -ENODEV; 2443 err = -ENODEV;
2444 if (dev_out == NULL) 2444 if (dev_out == NULL)
2445 goto out; 2445 goto out;
2446 if (__in_dev_get(dev_out) == NULL) { 2446
2447 /* RACE: Check return value of inet_select_addr instead. */
2448 if (__in_dev_get_rtnl(dev_out) == NULL) {
2447 dev_put(dev_out); 2449 dev_put(dev_out);
2448 goto out; /* Wrong error code */ 2450 goto out; /* Wrong error code */
2449 } 2451 }
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 4e509e52fbc1..a970b4727ce8 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1806,7 +1806,7 @@ static void sit_add_v4_addrs(struct inet6_dev *idev)
1806 } 1806 }
1807 1807
1808 for (dev = dev_base; dev != NULL; dev = dev->next) { 1808 for (dev = dev_base; dev != NULL; dev = dev->next) {
1809 struct in_device * in_dev = __in_dev_get(dev); 1809 struct in_device * in_dev = __in_dev_get_rtnl(dev);
1810 if (in_dev && (dev->flags & IFF_UP)) { 1810 if (in_dev && (dev->flags & IFF_UP)) {
1811 struct in_ifaddr * ifa; 1811 struct in_ifaddr * ifa;
1812 1812
diff --git a/net/irda/irlan/irlan_eth.c b/net/irda/irlan/irlan_eth.c
index 071cd2cefd8a..953e255d2bc8 100644
--- a/net/irda/irlan/irlan_eth.c
+++ b/net/irda/irlan/irlan_eth.c
@@ -310,7 +310,7 @@ void irlan_eth_send_gratuitous_arp(struct net_device *dev)
310#ifdef CONFIG_INET 310#ifdef CONFIG_INET
311 IRDA_DEBUG(4, "IrLAN: Sending gratuitous ARP\n"); 311 IRDA_DEBUG(4, "IrLAN: Sending gratuitous ARP\n");
312 rcu_read_lock(); 312 rcu_read_lock();
313 in_dev = __in_dev_get(dev); 313 in_dev = __in_dev_get_rcu(dev);
314 if (in_dev == NULL) 314 if (in_dev == NULL)
315 goto out; 315 goto out;
316 if (in_dev->ifa_list) 316 if (in_dev->ifa_list)
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index e7025be77691..f01d1c9002a1 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -147,7 +147,7 @@ static void sctp_v4_copy_addrlist(struct list_head *addrlist,
147 struct sctp_sockaddr_entry *addr; 147 struct sctp_sockaddr_entry *addr;
148 148
149 rcu_read_lock(); 149 rcu_read_lock();
150 if ((in_dev = __in_dev_get(dev)) == NULL) { 150 if ((in_dev = __in_dev_get_rcu(dev)) == NULL) {
151 rcu_read_unlock(); 151 rcu_read_unlock();
152 return; 152 return;
153 } 153 }