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authorLi RongQing <roy.qing.li@gmail.com>2014-01-02 08:49:36 +0800
committerDavid S. Miller <davem@davemloft.net>2014-01-01 22:48:59 -0500
commitc3ac17cd6af2687d5881184edd310a5f9c4baa98 (patch)
tree946fc5f549a477168f86cfb2ef4cad27e1e2979f /net/ipv6
parent7e0309631ecf0cd16edba72ff74747fa1b96ead3 (diff)
ipv6: fix the use of pcpu_tstats in sit
when read/write the 64bit data, the correct lock should be hold. Signed-off-by: Li RongQing <roy.qing.li@gmail.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/sit.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index c87482252577..d3005b34476a 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -702,8 +702,10 @@ static int ipip6_rcv(struct sk_buff *skb)
}
tstats = this_cpu_ptr(tunnel->dev->tstats);
+ u64_stats_update_begin(&tstats->syncp);
tstats->rx_packets++;
tstats->rx_bytes += skb->len;
+ u64_stats_update_end(&tstats->syncp);
netif_rx(skb);