1 files changed, 9 insertions, 7 deletions

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 22a16571499c..ad0a4069b95b 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -628,6 +628,7 @@ static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
         struct sctp_sockaddr_entry *addr = NULL;
         struct sctp_sockaddr_entry *temp;
+        int found = 0;
 
         switch (ev) {
         case NETDEV_UP:
@@ -647,13 +648,14 @@ static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
                 list_for_each_entry_safe(addr, temp,
                                         &sctp_local_addr_list, list) {
                         if (addr->a.v4.sin_addr.s_addr == ifa->ifa_local) {
+                                found = 1;
                                 addr->valid = 0;
                                 list_del_rcu(&addr->list);
                                 break;
                         }
                 }
                 spin_unlock_bh(&sctp_local_addr_lock);
-                if (addr && !addr->valid)
+                if (found)
                         call_rcu(&addr->rcu, sctp_local_addr_free);
                 break;
         }
@@ -832,7 +834,7 @@ static inline int sctp_v4_xmit(struct sk_buff *skb,
         return ip_queue_xmit(skb, ipfragok);
 }
 
-static struct sctp_af sctp_ipv4_specific;
+static struct sctp_af sctp_af_inet;
 
 static struct sctp_pf sctp_pf_inet = {
         .event_msgname = sctp_inet_event_msgname,
@@ -844,7 +846,7 @@ static struct sctp_pf sctp_pf_inet = {
         .supported_addrs = sctp_inet_supported_addrs,
         .create_accept_sk = sctp_v4_create_accept_sk,
         .addr_v4map     = sctp_v4_addr_v4map,
-        .af            = &sctp_ipv4_specific,
+        .af            = &sctp_af_inet
 };
 
 /* Notifier for inetaddr addition/deletion events.  */
@@ -906,7 +908,7 @@ static struct net_protocol sctp_protocol = {
 };
 
 /* IPv4 address related functions.  */
-static struct sctp_af sctp_ipv4_specific = {
+static struct sctp_af sctp_af_inet = {
         .sa_family         = AF_INET,
         .sctp_xmit         = sctp_v4_xmit,
         .setsockopt        = ip_setsockopt,
@@ -1192,7 +1194,7 @@ SCTP_STATIC __init int sctp_init(void)
         sctp_sysctl_register();
 
         INIT_LIST_HEAD(&sctp_address_families);
-        sctp_register_af(&sctp_ipv4_specific);
+        sctp_register_af(&sctp_af_inet);
 
         status = proto_register(&sctp_prot, 1);
         if (status)
@@ -1249,7 +1251,7 @@ err_v6_init:
         proto_unregister(&sctp_prot);
 err_proto_register:
         sctp_sysctl_unregister();
-        list_del(&sctp_ipv4_specific.list);
+        list_del(&sctp_af_inet.list);
         free_pages((unsigned long)sctp_port_hashtable,
                    get_order(sctp_port_hashsize *
                              sizeof(struct sctp_bind_hashbucket)));
@@ -1299,7 +1301,7 @@ SCTP_STATIC __exit void sctp_exit(void)
         inet_unregister_protosw(&sctp_seqpacket_protosw);
 
         sctp_sysctl_unregister();
-        list_del(&sctp_ipv4_specific.list);
+        list_del(&sctp_af_inet.list);
 
         free_pages((unsigned long)sctp_assoc_hashtable,
                    get_order(sctp_assoc_hashsize *