forked from luck/tmp_suning_uos_patched
ipv6: Fix result generation in ipv6_get_ifaddr().
Finishing naturally from hlist_for_each_entry(x, ...) does not result in 'x' being NULL. Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
b54c9b98bb
commit
b79d1d54cf
@ -1341,9 +1341,9 @@ EXPORT_SYMBOL(ipv6_chk_prefix);
|
|||||||
struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, const struct in6_addr *addr,
|
struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, const struct in6_addr *addr,
|
||||||
struct net_device *dev, int strict)
|
struct net_device *dev, int strict)
|
||||||
{
|
{
|
||||||
struct inet6_ifaddr *ifp = NULL;
|
struct inet6_ifaddr *ifp, *result = NULL;
|
||||||
struct hlist_node *node;
|
|
||||||
unsigned int hash = ipv6_addr_hash(addr);
|
unsigned int hash = ipv6_addr_hash(addr);
|
||||||
|
struct hlist_node *node;
|
||||||
|
|
||||||
rcu_read_lock_bh();
|
rcu_read_lock_bh();
|
||||||
hlist_for_each_entry_rcu(ifp, node, &inet6_addr_lst[hash], addr_lst) {
|
hlist_for_each_entry_rcu(ifp, node, &inet6_addr_lst[hash], addr_lst) {
|
||||||
@ -1352,6 +1352,7 @@ struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, const struct in6_addr *add
|
|||||||
if (ipv6_addr_equal(&ifp->addr, addr)) {
|
if (ipv6_addr_equal(&ifp->addr, addr)) {
|
||||||
if (dev == NULL || ifp->idev->dev == dev ||
|
if (dev == NULL || ifp->idev->dev == dev ||
|
||||||
!(ifp->scope&(IFA_LINK|IFA_HOST) || strict)) {
|
!(ifp->scope&(IFA_LINK|IFA_HOST) || strict)) {
|
||||||
|
result = ifp;
|
||||||
in6_ifa_hold(ifp);
|
in6_ifa_hold(ifp);
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
@ -1359,7 +1360,7 @@ struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, const struct in6_addr *add
|
|||||||
}
|
}
|
||||||
rcu_read_unlock_bh();
|
rcu_read_unlock_bh();
|
||||||
|
|
||||||
return ifp;
|
return result;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Gets referenced address, destroys ifaddr */
|
/* Gets referenced address, destroys ifaddr */
|
||||||
|
Loading…
Reference in New Issue
Block a user