1 files changed, 9 insertions, 7 deletions

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 44fdf1413e2c..81c2f7885292 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -81,7 +81,7 @@ static struct ipv4_devconf ipv4_devconf_dflt = {
 
 static void rtmsg_ifa(int event, struct in_ifaddr *);
 
-static struct notifier_block *inetaddr_chain;
+static BLOCKING_NOTIFIER_HEAD(inetaddr_chain);
 static void inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
                          int destroy);
 #ifdef CONFIG_SYSCTL
@@ -267,7 +267,8 @@ static void inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
                                 *ifap1 = ifa->ifa_next;
 
                                 rtmsg_ifa(RTM_DELADDR, ifa);
-                                notifier_call_chain(&inetaddr_chain, NETDEV_DOWN, ifa);
+                                blocking_notifier_call_chain(&inetaddr_chain,
+                                                NETDEV_DOWN, ifa);
                                 inet_free_ifa(ifa);
                         } else {
                                 promote = ifa;
@@ -291,7 +292,7 @@ static void inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
            So that, this order is correct.
          */
         rtmsg_ifa(RTM_DELADDR, ifa1);
-        notifier_call_chain(&inetaddr_chain, NETDEV_DOWN, ifa1);
+        blocking_notifier_call_chain(&inetaddr_chain, NETDEV_DOWN, ifa1);
 
         if (promote) {
 
@@ -303,7 +304,8 @@ static void inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
 
                 promote->ifa_flags &= ~IFA_F_SECONDARY;
                 rtmsg_ifa(RTM_NEWADDR, promote);
-                notifier_call_chain(&inetaddr_chain, NETDEV_UP, promote);
+                blocking_notifier_call_chain(&inetaddr_chain,
+                                NETDEV_UP, promote);
                 for (ifa = promote->ifa_next; ifa; ifa = ifa->ifa_next) {
                         if (ifa1->ifa_mask != ifa->ifa_mask ||
                             !inet_ifa_match(ifa1->ifa_address, ifa))
@@ -366,7 +368,7 @@ static int inet_insert_ifa(struct in_ifaddr *ifa)
            Notifier will trigger FIB update, so that
            listeners of netlink will know about new ifaddr */
         rtmsg_ifa(RTM_NEWADDR, ifa);
-        notifier_call_chain(&inetaddr_chain, NETDEV_UP, ifa);
+        blocking_notifier_call_chain(&inetaddr_chain, NETDEV_UP, ifa);
 
         return 0;
 }
@@ -938,12 +940,12 @@ u32 inet_confirm_addr(const struct net_device *dev, u32 dst, u32 local, int scop
 
 int register_inetaddr_notifier(struct notifier_block *nb)
 {
-        return notifier_chain_register(&inetaddr_chain, nb);
+        return blocking_notifier_chain_register(&inetaddr_chain, nb);
 }
 
 int unregister_inetaddr_notifier(struct notifier_block *nb)
 {
-        return notifier_chain_unregister(&inetaddr_chain, nb);
+        return blocking_notifier_chain_unregister(&inetaddr_chain, nb);
 }
 
 /* Rename ifa_labels for a device name change. Make some effort to preserve existing