diff options
Diffstat (limited to 'drivers/s390/block/dasd.c')
| -rw-r--r-- | drivers/s390/block/dasd.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 397af07e4d88..e03304fe25bb 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -3965,13 +3965,11 @@ int dasd_generic_restore_device(struct ccw_device *cdev) EXPORT_SYMBOL_GPL(dasd_generic_restore_device); static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device, - void *rdc_buffer, int rdc_buffer_size, int magic) { struct dasd_ccw_req *cqr; struct ccw1 *ccw; - unsigned long *idaw; cqr = dasd_smalloc_request(magic, 1 /* RDC */, rdc_buffer_size, device, NULL); @@ -3986,16 +3984,8 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device, ccw = cqr->cpaddr; ccw->cmd_code = CCW_CMD_RDC; - if (idal_is_needed(rdc_buffer, rdc_buffer_size)) { - idaw = (unsigned long *) (cqr->data); - ccw->cda = (__u32)(addr_t) idaw; - ccw->flags = CCW_FLAG_IDA; - idaw = idal_create_words(idaw, rdc_buffer, rdc_buffer_size); - } else { - ccw->cda = (__u32)(addr_t) rdc_buffer; - ccw->flags = 0; - } - + ccw->cda = (__u32)(addr_t) cqr->data; + ccw->flags = 0; ccw->count = rdc_buffer_size; cqr->startdev = device; cqr->memdev = device; @@ -4013,12 +4003,13 @@ int dasd_generic_read_dev_chars(struct dasd_device *device, int magic, int ret; struct dasd_ccw_req *cqr; - cqr = dasd_generic_build_rdc(device, rdc_buffer, rdc_buffer_size, - magic); + cqr = dasd_generic_build_rdc(device, rdc_buffer_size, magic); if (IS_ERR(cqr)) return PTR_ERR(cqr); ret = dasd_sleep_on(cqr); + if (ret == 0) + memcpy(rdc_buffer, cqr->data, rdc_buffer_size); dasd_sfree_request(cqr, cqr->memdev); return ret; } |