569 	void *hash_buf = NULL;  in tcp_ao_hash_hdr()  local
571 	hash_buf = kmalloc(tkey_len, GFP_ATOMIC);  in tcp_ao_hash_hdr()
572 	if (!hash_buf)  in tcp_ao_hash_hdr()
604 	ahash_request_set_crypt(hp.req, NULL, hash_buf, 0);  in tcp_ao_hash_hdr()
608 	memcpy(ao_hash, hash_buf, tcp_ao_maclen(key));  in tcp_ao_hash_hdr()
610 	kfree(hash_buf);  in tcp_ao_hash_hdr()
617 	kfree(hash_buf);  in tcp_ao_hash_hdr()
629 	void *hash_buf = NULL;  in tcp_ao_hash_skb()  local
631 	hash_buf = kmalloc(tkey_len, GFP_ATOMIC);  in tcp_ao_hash_skb()
632 	if (!hash_buf)  in tcp_ao_hash_skb()
655 	ahash_request_set_crypt(hp.req, NULL, hash_buf, 0);  in tcp_ao_hash_skb()
659 	memcpy(ao_hash, hash_buf, tcp_ao_maclen(key));  in tcp_ao_hash_skb()
661 	kfree(hash_buf);  in tcp_ao_hash_skb()
668 	kfree(hash_buf);  in tcp_ao_hash_skb()
684 	void *hash_buf = NULL;  in tcp_v4_ao_synack_hash()  local
687 	hash_buf = kmalloc(tcp_ao_digest_size(ao_key), GFP_ATOMIC);  in tcp_v4_ao_synack_hash()
688 	if (!hash_buf)  in tcp_v4_ao_synack_hash()
691 	err = tcp_v4_ao_calc_key_rsk(ao_key, hash_buf, req);  in tcp_v4_ao_synack_hash()
696 			      hash_buf, hash_offset, sne);  in tcp_v4_ao_synack_hash()
698 	kfree(hash_buf);  in tcp_v4_ao_synack_hash()
908 	void *hash_buf = NULL;  in tcp_ao_verify_hash()  local
919 	hash_buf = kmalloc(tcp_ao_digest_size(key), GFP_ATOMIC);  in tcp_ao_verify_hash()
920 	if (!hash_buf)  in tcp_ao_verify_hash()
924 	tcp_ao_hash_skb(family, hash_buf, key, sk, skb, traffic_key,  in tcp_ao_verify_hash()
926 	if (memcmp(phash, hash_buf, maclen)) {  in tcp_ao_verify_hash()
932 		kfree(hash_buf);  in tcp_ao_verify_hash()
938 	kfree(hash_buf);  in tcp_ao_verify_hash()