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net: hook socketpair() into LSM 

Use the newly created LSM-hook for socketpair(). The default hook
return-value is 0, so behavior stays the same unless LSMs start using
this hook.

Acked-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: James Morris <james.morris@microsoft.com>
This commit is contained in:
David Herrmann 2018-05-04 16:28:20 +02:00 committed by James Morris
parent aae7cfcbb7
commit d47cd9450d
1 changed files with 7 additions and 0 deletions
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7
net/socket.c
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@ -1420,6 +1420,13 @@ int __sys_socketpair(int family, int type, int protocol, int __user *usockvec)
goto out;
}
err = security_socket_socketpair(sock1, sock2);
if (unlikely(err)) {
sock_release(sock2);
sock_release(sock1);
goto out;
}
err = sock1->ops->socketpair(sock1, sock2);
if (unlikely(err < 0)) {
sock_release(sock2);