net: ipv6: add missing lock in ping_v6_sendmsg
Signed-off-by: Lorenzo Colitti <lorenzo@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -174,6 +174,7 @@ int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
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if (hlimit < 0)
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hlimit = ip6_dst_hoplimit(dst);
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lock_sock(sk);
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err = ip6_append_data(sk, ping_getfrag, &pfh, len,
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0, hlimit,
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np->tclass, NULL, &fl6, rt,
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@ -188,6 +189,7 @@ int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
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(struct icmp6hdr *) &pfh.icmph,
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len);
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}
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release_sock(sk);
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return err;
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}
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