[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/core/utils.c b/net/core/utils.c
index fdc4f38bc46c..4f96f389243d 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -121,7 +121,7 @@ void __init net_random_init(void)
 {
         int i;
 
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                 struct nrnd_state *state = &per_cpu(net_rand_state,i);
                 __net_srandom(state, i+jiffies);
         }
@@ -133,7 +133,7 @@ static int net_random_reseed(void)
         unsigned long seed[NR_CPUS];
 
         get_random_bytes(seed, sizeof(seed));
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                 struct nrnd_state *state = &per_cpu(net_rand_state,i);
                 __net_srandom(state, seed[i]);
         }