[PATCH] for_each_possible_cpu: network codes

for_each_cpu() actually iterates across all possible CPUs.  We've had mistakes
in the past where people were using for_each_cpu() where they should have been
iterating across only online or present CPUs.  This is inefficient and
possibly buggy.

We're renaming for_each_cpu() to for_each_possible_cpu() to avoid this in the
future.

This patch replaces for_each_cpu with for_each_possible_cpu under /net

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 21eb725e885f..1044b6fce0d5 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -717,7 +717,7 @@ int __init icmpv6_init(struct net_proto_family *ops)
         struct sock *sk;
         int err, i, j;
 
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                 err = sock_create_kern(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6,
                                        &per_cpu(__icmpv6_socket, i));
                 if (err < 0) {
@@ -763,7 +763,7 @@ void icmpv6_cleanup(void)
 {
         int i;
 
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                 sock_release(per_cpu(__icmpv6_socket, i));
         }
         inet6_del_protocol(&icmpv6_protocol, IPPROTO_ICMPV6);