linux-kernel - [PATCH 3.16 297/328] ipv6: Compute net once in raw6_send

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Message-ID: <lsq.1544392233.298620407@decadent.org.uk>
Date:   Sun, 09 Dec 2018 21:50:33 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, "David S. Miller" <davem@...emloft.net>,
        "Eric W. Biederman" <ebiederm@...ssion.com>
Subject: [PATCH 3.16 297/328] ipv6: Compute net once in raw6_send_hdrinc

3.16.62-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: "Eric W. Biederman" <ebiederm@...ssion.com>

commit adb28c9d3371c845c7a28bfd4fb163aca0d0dc37 upstream.

Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 net/ipv6/raw.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -618,6 +618,7 @@ static int rawv6_send_hdrinc(struct sock
 			unsigned int flags)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
+	struct net *net = sock_net(sk);
 	struct ipv6hdr *iph;
 	struct sk_buff *skb;
 	int err;
@@ -656,7 +657,7 @@ static int rawv6_send_hdrinc(struct sock
 	if (err)
 		goto error_fault;
 
-	IP6_UPD_PO_STATS(sock_net(sk), rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len);
+	IP6_UPD_PO_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len);
 	err = NF_HOOK(NFPROTO_IPV6, NF_INET_LOCAL_OUT, skb, NULL,
 		      rt->dst.dev, dst_output);
 	if (err > 0)
@@ -670,7 +671,7 @@ error_fault:
 	err = -EFAULT;
 	kfree_skb(skb);
 error:
-	IP6_INC_STATS(sock_net(sk), rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
+	IP6_INC_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
 	if (err == -ENOBUFS && !np->recverr)
 		err = 0;
 	return err;