net: introduce netdev_alloc_pcpu_stats() for drivers

There are many drivers calling alloc_percpu() to allocate pcpu stats
and then initializing ->syncp. So just introduce a helper function for them.

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 28407426fd6f..adb46de7c90d 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1540,16 +1540,10 @@ static int team_init(struct net_device *dev)
         mutex_init(&team->lock);
         team_set_no_mode(team);
 
-        team->pcpu_stats = alloc_percpu(struct team_pcpu_stats);
+        team->pcpu_stats = netdev_alloc_pcpu_stats(struct team_pcpu_stats);
         if (!team->pcpu_stats)
                 return -ENOMEM;
 
-        for_each_possible_cpu(i) {
-                struct team_pcpu_stats *team_stats;
-                team_stats = per_cpu_ptr(team->pcpu_stats, i);
-                u64_stats_init(&team_stats->syncp);
-        }
-
         for (i = 0; i < TEAM_PORT_HASHENTRIES; i++)
                 INIT_HLIST_HEAD(&team->en_port_hlist[i]);
         INIT_LIST_HEAD(&team->port_list);