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path: root/drivers/scsi/wd7000.c
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Diffstat (limited to 'drivers/scsi/wd7000.c')
-rw-r--r--drivers/scsi/wd7000.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/scsi/wd7000.c b/drivers/scsi/wd7000.c
index 30be76514c4..d6fd4259c56 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 ? */