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ipv6: fix the use of pcpu_tstats in sit

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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>
Signed-off-by: Paul Keith <javelinanddart@gmail.com>
Change-Id: Ie9c73149b86eb028e1646d1001bdb4310a72fe14
This commit is contained in:
Li RongQing
2020-12-12 21:36:54 +01:00
committed by Francescodario Cuzzocrea
parent 24ec722e1f
commit a3e078c77d
1 changed files with 2 additions and 0 deletions
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net/ipv6/sit.c
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@@ -604,8 +604,10 @@ 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);
__skb_tunnel_rx(skb, tunnel->dev);