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-rw-r--r--net/ipv6/icmp.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 18f220a04486..3368f32fe226 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -80,8 +80,8 @@ EXPORT_SYMBOL(icmpv6msg_statistics);
80 * 80 *
81 * On SMP we have one ICMP socket per-cpu. 81 * On SMP we have one ICMP socket per-cpu.
82 */ 82 */
83static DEFINE_PER_CPU(struct sock *, __icmpv6_sk) = NULL; 83static struct sock **__icmpv6_sk = NULL;
84#define icmpv6_sk __get_cpu_var(__icmpv6_sk) 84#define icmpv6_sk (__icmpv6_sk[smp_processor_id()])
85 85
86static int icmpv6_rcv(struct sk_buff *skb); 86static int icmpv6_rcv(struct sk_buff *skb);
87 87
@@ -785,6 +785,10 @@ int __init icmpv6_init(void)
785 struct sock *sk; 785 struct sock *sk;
786 int err, i, j; 786 int err, i, j;
787 787
788 __icmpv6_sk = kzalloc(nr_cpu_ids * sizeof(struct sock *), GFP_KERNEL);
789 if (__icmpv6_sk == NULL)
790 return -ENOMEM;
791
788 for_each_possible_cpu(i) { 792 for_each_possible_cpu(i) {
789 struct socket *sock; 793 struct socket *sock;
790 err = sock_create_kern(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6, 794 err = sock_create_kern(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6,
@@ -797,7 +801,7 @@ int __init icmpv6_init(void)
797 goto fail; 801 goto fail;
798 } 802 }
799 803
800 per_cpu(__icmpv6_sk, i) = sk = sock->sk; 804 __icmpv6_sk[i] = sk = sock->sk;
801 sk->sk_allocation = GFP_ATOMIC; 805 sk->sk_allocation = GFP_ATOMIC;
802 /* 806 /*
803 * Split off their lock-class, because sk->sk_dst_lock 807 * Split off their lock-class, because sk->sk_dst_lock
@@ -830,7 +834,7 @@ int __init icmpv6_init(void)
830 for (j = 0; j < i; j++) { 834 for (j = 0; j < i; j++) {
831 if (!cpu_possible(j)) 835 if (!cpu_possible(j))
832 continue; 836 continue;
833 sock_release(per_cpu(__icmpv6_sk, j)->sk_socket); 837 sock_release(__icmpv6_sk[j]->sk_socket);
834 } 838 }
835 839
836 return err; 840 return err;
@@ -841,7 +845,7 @@ void icmpv6_cleanup(void)
841 int i; 845 int i;
842 846
843 for_each_possible_cpu(i) { 847 for_each_possible_cpu(i) {
844 sock_release(per_cpu(__icmpv6_sk, i)->sk_socket); 848 sock_release(__icmpv6_sk[i]->sk_socket);
845 } 849 }
846 inet6_del_protocol(&icmpv6_protocol, IPPROTO_ICMPV6); 850 inet6_del_protocol(&icmpv6_protocol, IPPROTO_ICMPV6);
847} 851}