netdev - [PATCH 2/3] ipv6: icmp: use icmpv6_sk

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Date:   Fri, 22 Feb 2019 09:57:59 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     <davem@...emloft.net>, <netdev@...r.kernel.org>
CC:     Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH 2/3] ipv6: icmp: use icmpv6_sk_exit()

Simply use icmpv6_sk_exit() when inet_ctl_sock_create() fail
in icmpv6_sk_init().

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 net/ipv6/icmp.c | 25 +++++++++++--------------
 1 file changed, 11 insertions(+), 14 deletions(-)

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index bbcdfd299692..af520014def5 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -953,10 +953,19 @@ void icmpv6_flow_init(struct sock *sk, struct flowi6 *fl6,
 	security_sk_classify_flow(sk, flowi6_to_flowi(fl6));
 }
 
+static void __net_exit icmpv6_sk_exit(struct net *net)
+{
+	int i;
+
+	for_each_possible_cpu(i)
+		inet_ctl_sock_destroy(net->ipv6.icmp_sk[i]);
+	kfree(net->ipv6.icmp_sk);
+}
+
 static int __net_init icmpv6_sk_init(struct net *net)
 {
 	struct sock *sk;
-	int err, i, j;
+	int err, i;
 
 	net->ipv6.icmp_sk =
 		kcalloc(nr_cpu_ids, sizeof(struct sock *), GFP_KERNEL);
@@ -982,22 +991,10 @@ static int __net_init icmpv6_sk_init(struct net *net)
 	return 0;
 
  fail:
-	for (j = 0; j < i; j++)
-		inet_ctl_sock_destroy(net->ipv6.icmp_sk[j]);
-	kfree(net->ipv6.icmp_sk);
+	icmpv6_sk_exit(net);
 	return err;
 }
 
-static void __net_exit icmpv6_sk_exit(struct net *net)
-{
-	int i;
-
-	for_each_possible_cpu(i) {
-		inet_ctl_sock_destroy(net->ipv6.icmp_sk[i]);
-	}
-	kfree(net->ipv6.icmp_sk);
-}
-
 static struct pernet_operations icmpv6_sk_ops = {
 	.init = icmpv6_sk_init,
 	.exit = icmpv6_sk_exit,
-- 
2.20.1