crypto: af_alg - remove redundant initializations of sk_family

sk_alloc() already sets sock::sk_family to PF_ALG which is passed as the
'family' argument, so there's no need to set it again.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/af_alg.c

@@ -302,8 +302,6 @@ int af_alg_accept(struct sock *sk, struct socket *newsock, bool kern)
 	if (err)
 		goto unlock;
 
-	sk2->sk_family = PF_ALG;
-
 	if (nokey || !ask->refcnt++)
 		sock_hold(sk);
 	ask->nokey_refcnt += nokey;
@@ -380,7 +378,6 @@ static int alg_create(struct net *net, struct socket *sock, int protocol,
 	sock->ops = &alg_proto_ops;
 	sock_init_data(sock, sk);
 
-	sk->sk_family = PF_ALG;
 	sk->sk_destruct = alg_sock_destruct;
 
 	return 0;