[SCSI] qla2xxx: Verify the RISC is not in ROM code if firmware-load is disabled.

Add an additional check to verify that the current executing
firmware is in fact non-ROM code. The non-ROM Get-ID mailbox
command is used for verification.

Signed-off-by: Andrew Vasquez <[e-mail]>
Signed-off-by: James Bottomley <[e-mail]>

drivers/scsi/qla2xxx/qla_init.c

···
 qla2x00_isp_firmware(scsi_qla_host_t *ha)
 {
 	int  rval;
+	uint16_t loop_id, topo, sw_cap;
+	uint8_t domain, area, al_pa;
 
 	/* Assume loading risc code */
 	rval = QLA_FUNCTION_FAILED;
···
 
 		/* Verify checksum of loaded RISC code. */
 		rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
+		if (rval == QLA_SUCCESS) {
+			/* And, verify we are not in ROM code. */
+			rval = qla2x00_get_adapter_id(ha, &loop_id, &al_pa,
+			    &area, &domain, &topo, &sw_cap);
+		}
 	}
 
 	if (rval) {

drivers/scsi/qla2xxx/qla_mbx.c

···
 	rval = qla2x00_mailbox_command(ha, mcp);
 	if (mcp->mb[0] == MBS_COMMAND_ERROR)
 		rval = QLA_COMMAND_ERROR;
+	else if (mcp->mb[0] == MBS_INVALID_COMMAND)
+		rval = QLA_INVALID_COMMAND;
 
 	/* Return data. */
 	*id = mcp->mb[1];