@@ -273,6 +273,8 @@ int ip6_xmit(const struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
const struct ipv6_pinfo *np = inet6_sk(sk);
struct in6_addr *first_hop = &fl6->daddr;
struct dst_entry *dst = skb_dst(skb);
+ struct net_device *dev = dst->dev;
+ struct inet6_dev *idev = ip6_dst_idev(dst);
unsigned int head_room;
struct ipv6hdr *hdr;
u8 proto = fl6->flowi6_proto;
@@ -280,7 +282,7 @@ int ip6_xmit(const struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
int delta, hlimit = -1;
u32 mtu;
- head_room = sizeof(struct ipv6hdr) + LL_RESERVED_SPACE(dst->dev);
+ head_room = sizeof(struct ipv6hdr) + LL_RESERVED_SPACE(dev);
if (opt)
head_room += opt->opt_nflen + opt->opt_flen;
@@ -288,8 +290,7 @@ int ip6_xmit(const struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
if (unlikely(delta > 0)) {
skb = skb_expand_head(skb, delta);
if (!skb) {
- IP6_INC_STATS(net, ip6_dst_idev(dst),
- IPSTATS_MIB_OUTDISCARDS);
+ IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTDISCARDS);
return -ENOBUFS;
}
}
@@ -333,8 +334,7 @@ int ip6_xmit(const struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
mtu = dst_mtu(dst);
if ((skb->len <= mtu) || skb->ignore_df || skb_is_gso(skb)) {
- IP6_UPD_PO_STATS(net, ip6_dst_idev(skb_dst(skb)),
- IPSTATS_MIB_OUT, skb->len);
+ IP6_UPD_PO_STATS(net, idev, IPSTATS_MIB_OUT, skb->len);
/* if egress device is enslaved to an L3 master device pass the
* skb to its handler for processing
@@ -347,17 +347,17 @@ int ip6_xmit(const struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
* we promote our socket to non const
*/
return NF_HOOK(NFPROTO_IPV6, NF_INET_LOCAL_OUT,
- net, (struct sock *)sk, skb, NULL, dst->dev,
+ net, (struct sock *)sk, skb, NULL, dev,
dst_output);
}
- skb->dev = dst->dev;
+ skb->dev = dev;
/* ipv6_local_error() does not require socket lock,
* we promote our socket to non const
*/
ipv6_local_error((struct sock *)sk, EMSGSIZE, fl6, mtu);
- IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_FRAGFAILS);
+ IP6_INC_STATS(net, idev, IPSTATS_MIB_FRAGFAILS);
kfree_skb(skb);
return -EMSGSIZE;
}
Commonly used dereferences was replaced by variables. Signed-off-by: Vasily Averin <vvs@virtuozzo.com> --- net/ipv6/ip6_output.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)