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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>
This commit is contained in:
Lorenzo Colitti 2013-07-04 00:52:49 +09:00 committed by David S. Miller
parent 36b7bfe09b
commit a1bdc45580
1 changed files with 2 additions and 0 deletions
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2
net/ipv6/ping.c
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@ -174,6 +174,7 @@ int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
if (hlimit < 0)
hlimit = ip6_dst_hoplimit(dst);
lock_sock(sk);
err = ip6_append_data(sk, ping_getfrag, &pfh, len,
0, hlimit,
np->tclass, NULL, &fl6, rt,
@ -188,6 +189,7 @@ int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
(struct icmp6hdr *) &pfh.icmph,
len);
}
release_sock(sk);
return err;
}