645 	u8 *hmac_data = NULL, *tls_key;  in nvme_auth_derive_tls_psk()  local
677 	hmac_data = kmalloc(/* output length */ 2 +  in nvme_auth_derive_tls_psk()
682 	if (!hmac_data) {  in nvme_auth_derive_tls_psk()
688 	hmac_data[i++] = hash_len >> 8;  in nvme_auth_derive_tls_psk()
689 	hmac_data[i++] = hash_len;  in nvme_auth_derive_tls_psk()
693 	hmac_data[i] = label_len;  in nvme_auth_derive_tls_psk()
694 	memcpy(&hmac_data[i + 1], label, label_len);  in nvme_auth_derive_tls_psk()
698 	ctx_len = sprintf(&hmac_data[i + 1], "%02d %s", hmac_id, psk_digest);  in nvme_auth_derive_tls_psk()
703 	hmac_data[i] = ctx_len;  in nvme_auth_derive_tls_psk()
707 	hmac_data[i++] = 1;  in nvme_auth_derive_tls_psk()
714 	ret = nvme_auth_hmac(hmac_id, prk, hash_len, hmac_data, i, tls_key);  in nvme_auth_derive_tls_psk()
721 	kfree_sensitive(hmac_data);  in nvme_auth_derive_tls_psk()