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Diffstat (limited to 'net/sctp/protocol.c')
-rw-r--r--net/sctp/protocol.c25
1 files changed, 10 insertions, 15 deletions
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 7ee120e8591..3d036cdfae4 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -224,7 +224,7 @@ int sctp_copy_local_addr_list(struct sctp_bind_addr *bp, sctp_scope_t scope,
(copy_flags & SCTP_ADDR6_ALLOWED) &&
(copy_flags & SCTP_ADDR6_PEERSUPP)))) {
error = sctp_add_bind_addr(bp, &addr->a, 1,
- GFP_ATOMIC);
+ GFP_ATOMIC);
if (error)
goto end_copy;
}
@@ -428,9 +428,7 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
struct rtable *rt;
struct flowi fl;
struct sctp_bind_addr *bp;
- rwlock_t *addr_lock;
struct sctp_sockaddr_entry *laddr;
- struct list_head *pos;
struct dst_entry *dst = NULL;
union sctp_addr dst_saddr;
@@ -459,23 +457,20 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
goto out;
bp = &asoc->base.bind_addr;
- addr_lock = &asoc->base.addr_lock;
if (dst) {
/* Walk through the bind address list and look for a bind
* address that matches the source address of the returned dst.
*/
- sctp_read_lock(addr_lock);
- list_for_each(pos, &bp->address_list) {
- laddr = list_entry(pos, struct sctp_sockaddr_entry,
- list);
- if (!laddr->use_as_src)
+ rcu_read_lock();
+ list_for_each_entry_rcu(laddr, &bp->address_list, list) {
+ if (!laddr->valid || !laddr->use_as_src)
continue;
sctp_v4_dst_saddr(&dst_saddr, dst, htons(bp->port));
if (sctp_v4_cmp_addr(&dst_saddr, &laddr->a))
goto out_unlock;
}
- sctp_read_unlock(addr_lock);
+ rcu_read_unlock();
/* None of the bound addresses match the source address of the
* dst. So release it.
@@ -487,10 +482,10 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
/* Walk through the bind address list and try to get a dst that
* matches a bind address as the source address.
*/
- sctp_read_lock(addr_lock);
- list_for_each(pos, &bp->address_list) {
- laddr = list_entry(pos, struct sctp_sockaddr_entry, list);
-
+ rcu_read_lock();
+ list_for_each_entry_rcu(laddr, &bp->address_list, list) {
+ if (!laddr->valid)
+ continue;
if ((laddr->use_as_src) &&
(AF_INET == laddr->a.sa.sa_family)) {
fl.fl4_src = laddr->a.v4.sin_addr.s_addr;
@@ -502,7 +497,7 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
}
out_unlock:
- sctp_read_unlock(addr_lock);
+ rcu_read_unlock();
out:
if (dst)
SCTP_DEBUG_PRINTK("rt_dst:%u.%u.%u.%u, rt_src:%u.%u.%u.%u\n",