udp: Fix the SNMP counter of UDP_MIB_INERRORS
UDP packets received in udpv6_recvmsg() are not only IPv6 UDP packets, but also have IPv4 UDP packets, so when do the counter of UDP_MIB_INERRORS in udpv6_recvmsg(), we should check whether the packet is a IPv6 UDP packet or a IPv4 UDP packet. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -236,8 +236,14 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
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csum_copy_err:
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csum_copy_err:
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lock_sock(sk);
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lock_sock(sk);
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if (!skb_kill_datagram(sk, skb, flags))
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if (!skb_kill_datagram(sk, skb, flags)) {
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UDP6_INC_STATS_USER(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
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if (is_udp4)
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UDP_INC_STATS_USER(sock_net(sk),
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UDP_MIB_INERRORS, is_udplite);
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else
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UDP6_INC_STATS_USER(sock_net(sk),
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UDP_MIB_INERRORS, is_udplite);
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}
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release_sock(sk);
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release_sock(sk);
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if (flags & MSG_DONTWAIT)
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if (flags & MSG_DONTWAIT)
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