diff options
Diffstat (limited to 'drivers/scsi/wd7000.c')
| -rw-r--r-- | drivers/scsi/wd7000.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/scsi/wd7000.c b/drivers/scsi/wd7000.c index 30be76514c43..d6fd4259c56b 100644 --- a/drivers/scsi/wd7000.c +++ b/drivers/scsi/wd7000.c @@ -1091,6 +1091,7 @@ static int wd7000_queuecommand(struct scsi_cmnd *SCpnt, unchar *cdb = (unchar *) SCpnt->cmnd; unchar idlun; short cdblen; + int nseg; Adapter *host = (Adapter *) SCpnt->device->host->hostdata; cdblen = SCpnt->cmd_len; @@ -1106,28 +1107,29 @@ static int wd7000_queuecommand(struct scsi_cmnd *SCpnt, SCpnt->host_scribble = (unchar *) scb; scb->host = host; - if (SCpnt->use_sg) { - struct scatterlist *sg = (struct scatterlist *) SCpnt->request_buffer; + nseg = scsi_sg_count(SCpnt); + if (nseg) { + struct scatterlist *sg; unsigned i; if (SCpnt->device->host->sg_tablesize == SG_NONE) { panic("wd7000_queuecommand: scatter/gather not supported.\n"); } - dprintk("Using scatter/gather with %d elements.\n", SCpnt->use_sg); + dprintk("Using scatter/gather with %d elements.\n", nseg); sgb = scb->sgb; scb->op = 1; any2scsi(scb->dataptr, (int) sgb); - any2scsi(scb->maxlen, SCpnt->use_sg * sizeof(Sgb)); + any2scsi(scb->maxlen, nseg * sizeof(Sgb)); - for (i = 0; i < SCpnt->use_sg; i++) { - any2scsi(sgb[i].ptr, isa_page_to_bus(sg[i].page) + sg[i].offset); - any2scsi(sgb[i].len, sg[i].length); + scsi_for_each_sg(SCpnt, sg, nseg, i) { + any2scsi(sgb[i].ptr, isa_page_to_bus(sg->page) + sg->offset); + any2scsi(sgb[i].len, sg->length); } } else { scb->op = 0; - any2scsi(scb->dataptr, isa_virt_to_bus(SCpnt->request_buffer)); - any2scsi(scb->maxlen, SCpnt->request_bufflen); + any2scsi(scb->dataptr, isa_virt_to_bus(scsi_sglist(SCpnt))); + any2scsi(scb->maxlen, scsi_bufflen(SCpnt)); } /* FIXME: drop lock and yield here ? */ |