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net/ipv6: Remove aca_idev 

aca_idev has only 1 user - inet6_fill_ifacaddr - and it only
wants the device index which can be extracted from the fib6_info
nexthop.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2018-04-18 15:39:01 -07:00 committed by David S. Miller
parent 360a9887c8
commit 9ee8cbb2fd
4 changed files with 7 additions and 6 deletions
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1
include/net/if_inet6.h
View File

@ -143,7 +143,6 @@ struct ipv6_ac_socklist {
struct ifacaddr6 {
struct in6_addr aca_addr;
struct inet6_dev *aca_idev;
struct fib6_info *aca_rt;
struct ifacaddr6 *aca_next;
int aca_users;

5
include/net/ip6_fib.h
View File

@ -410,6 +410,11 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt,
struct nl_info *info, struct netlink_ext_ack *extack);
int fib6_del(struct fib6_info *rt, struct nl_info *info);
static inline struct net_device *fib6_info_nh_dev(const struct fib6_info *f6i)
{
return f6i->fib6_nh.nh_dev;
}
void inet6_rt_notify(int event, struct fib6_info *rt, struct nl_info *info,
unsigned int flags);

3
net/ipv6/addrconf.c
View File

@ -4817,9 +4817,10 @@ static int inet6_fill_ifmcaddr(struct sk_buff *skb, struct ifmcaddr6 *ifmca,
static int inet6_fill_ifacaddr(struct sk_buff *skb, struct ifacaddr6 *ifaca,
u32 portid, u32 seq, int event, unsigned int flags)
{
struct net_device *dev = fib6_info_nh_dev(ifaca->aca_rt);
int ifindex = dev ? dev->ifindex : 1;
struct nlmsghdr *nlh;
u8 scope = RT_SCOPE_UNIVERSE;
int ifindex = ifaca->aca_idev->dev->ifindex;
if (ipv6_addr_scope(&ifaca->aca_addr) & IFA_SITE)
scope = RT_SCOPE_SITE;

4
net/ipv6/anycast.c
View File

@ -212,7 +212,6 @@ static void aca_get(struct ifacaddr6 *aca)
static void aca_put(struct ifacaddr6 *ac)
{
if (refcount_dec_and_test(&ac->aca_refcnt)) {
in6_dev_put(ac->aca_idev);
fib6_info_release(ac->aca_rt);
kfree(ac);
}
@ -221,7 +220,6 @@ static void aca_put(struct ifacaddr6 *ac)
static struct ifacaddr6 *aca_alloc(struct fib6_info *f6i,
const struct in6_addr *addr)
{
struct inet6_dev *idev = f6i->fib6_idev;
struct ifacaddr6 *aca;
aca = kzalloc(sizeof(*aca), GFP_ATOMIC);
@ -229,8 +227,6 @@ static struct ifacaddr6 *aca_alloc(struct fib6_info *f6i,
return NULL;
aca->aca_addr = *addr;
in6_dev_hold(idev);
aca->aca_idev = idev;
fib6_info_hold(f6i);
aca->aca_rt = f6i;
aca->aca_users = 1;