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ppp: Cache net in pptp_xmit 

Compute net and store it in a variable in pptp_xmit, so that the value
can be reused the next time it is needed.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman 2015-10-07 16:48:43 -05:00 committed by David S. Miller
parent 77589ce0f8
commit a7093fefa5
1 changed files with 3 additions and 2 deletions
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5
drivers/net/ppp/pptp.c
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@ -169,6 +169,7 @@ static int pptp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
{
struct sock *sk = (struct sock *) chan->private;
struct pppox_sock *po = pppox_sk(sk);
struct net *net = sock_net(sk);
struct pptp_opt *opt = &po->proto.pptp;
struct pptp_gre_header *hdr;
unsigned int header_len = sizeof(*hdr);
@ -187,7 +188,7 @@ static int pptp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
if (sk_pppox(po)->sk_state & PPPOX_DEAD)
goto tx_error;
rt = ip_route_output_ports(sock_net(sk), &fl4, NULL,
rt = ip_route_output_ports(net, &fl4, NULL,
opt->dst_addr.sin_addr.s_addr,
opt->src_addr.sin_addr.s_addr,
0, 0, IPPROTO_GRE,
@ -279,7 +280,7 @@ static int pptp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
nf_reset(skb);
skb->ip_summed = CHECKSUM_NONE;
ip_select_ident(sock_net(sk), skb, NULL);
ip_select_ident(net, skb, NULL);
ip_send_check(iph);
ip_local_out(skb->sk, skb);