347 static int concat_dev_erase(struct mtd_info *mtd, struct erase_info *erase)  in concat_dev_erase()  argument
358 	erase->mtd = mtd;  in concat_dev_erase()
359 	erase->callback = concat_erase_callback;  in concat_dev_erase()
360 	erase->priv = (unsigned long) &waitq;  in concat_dev_erase()
366 	err = mtd_erase(mtd, erase);  in concat_dev_erase()
370 		if (erase->state != MTD_ERASE_DONE  in concat_dev_erase()
371 		    && erase->state != MTD_ERASE_FAILED)  in concat_dev_erase()
376 		err = (erase->state == MTD_ERASE_FAILED) ? -EIO : 0;  in concat_dev_erase()
387 	struct erase_info *erase;  in concat_erase()  local
437 	erase = kmalloc(sizeof (struct erase_info), GFP_KERNEL);  in concat_erase()
439 	if (!erase)  in concat_erase()
442 	*erase = *instr;  in concat_erase()
451 		if (subdev->size <= erase->addr) {  in concat_erase()
452 			erase->addr -= subdev->size;  in concat_erase()
469 		if (erase->addr + length > subdev->size)  in concat_erase()
470 			erase->len = subdev->size - erase->addr;  in concat_erase()
472 			erase->len = length;  in concat_erase()
474 		length -= erase->len;  in concat_erase()
475 		if ((err = concat_dev_erase(subdev, erase))) {  in concat_erase()
479 			if (erase->fail_addr != MTD_FAIL_ADDR_UNKNOWN)  in concat_erase()
480 				instr->fail_addr = erase->fail_addr + offset;  in concat_erase()
491 		erase->addr = 0;  in concat_erase()
494 	instr->state = erase->state;  in concat_erase()
495 	kfree(erase);  in concat_erase()