[PATCH] for_each_possible_cpu: loopback device.

This patch replaces for_each_cpu with for_each_possible_cpu.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 0c13795..b79d6e8 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -172,7 +172,7 @@
 
 	memset(stats, 0, sizeof(struct net_device_stats));
 
-	for_each_cpu(i) {
+	for_each_possible_cpu(i) {
 		struct net_device_stats *lb_stats;
 
 		lb_stats = &per_cpu(loopback_stats, i);