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break; - case BT_IO_ISO: + case BT_IO_ISO: { + uint8_t zeroes[sizeof(opts->qos)] = {0}; + sock = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_ISO); if (sock < 0) { ERROR_FAILED(err, "socket(SEQPACKET, ISO)", errno); @@ -1992,12 +1994,14 @@ static GIOChannel *create_io(gboolean server, struct set_opts *opts, &opts->dst, opts->dst_type, opts->bc_sid, opts->bc_num_bis, opts->bc_bis, err) < 0) goto failed; - if (!iso_set_qos(sock, &opts->qos, err)) - goto failed; + if (memcmp(&opts->qos, zeroes, sizeof(opts->qos))) + if (!iso_set_qos(sock, &opts->qos, err)) + goto failed; if (opts->base.base_len) if (!iso_set_base(sock, &opts->base, err)) goto failed; break; + } case BT_IO_INVALID: default: g_set_error(err, BT_IO_ERROR, EINVAL,