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-rw-r--r--net/sctp/bind_addr.c4
-rw-r--r--net/sctp/ipv6.c4
-rw-r--r--net/sctp/protocol.c4
3 files changed, 9 insertions, 3 deletions
diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index a27511ebc4c..ceefda025e2 100644
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -209,6 +209,7 @@ int sctp_add_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *new,
int sctp_del_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *del_addr)
{
struct sctp_sockaddr_entry *addr, *temp;
+ int found = 0;
/* We hold the socket lock when calling this function,
* and that acts as a writer synchronizing lock.
@@ -216,13 +217,14 @@ int sctp_del_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *del_addr)
list_for_each_entry_safe(addr, temp, &bp->address_list, list) {
if (sctp_cmp_addr_exact(&addr->a, del_addr)) {
/* Found the exact match. */
+ found = 1;
addr->valid = 0;
list_del_rcu(&addr->list);
break;
}
}
- if (addr && !addr->valid) {
+ if (found) {
call_rcu(&addr->rcu, sctp_local_addr_free);
SCTP_DBG_OBJCNT_DEC(addr);
return 0;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 87f940587d5..9aa0733aee8 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -89,6 +89,7 @@ static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
struct sctp_sockaddr_entry *addr = NULL;
struct sctp_sockaddr_entry *temp;
+ int found = 0;
switch (ev) {
case NETDEV_UP:
@@ -111,13 +112,14 @@ static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
&sctp_local_addr_list, list) {
if (ipv6_addr_equal(&addr->a.v6.sin6_addr,
&ifa->addr)) {
+ 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;
}
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 688546dccd8..ad0a4069b95 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;
}