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[SCSI] usb: freecom & sddr09 - convert to accessors and !use_sg cleanup 

- Use scsi data accessors and remove of !use_sg code path
 - This patch is dependent on cleanup patch to usb transport.c/h

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Matthew Dharm <mdharm-scsi@one-eyed-alien.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Boaz Harrosh 2007-09-09 20:47:26 +03:00 committed by James Bottomley
parent dd829d2302
commit 41c2497b18
2 changed files with 9 additions and 14 deletions
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14
drivers/usb/storage/freecom.c
View File

@ -132,8 +132,7 @@ freecom_readdata (struct scsi_cmnd *srb, struct us_data *us,
/* Now transfer all of our blocks. */
US_DEBUGP("Start of read\n");
result = usb_stor_bulk_transfer_sg(us, ipipe, srb->request_buffer,
count, srb->use_sg, &srb->resid);
result = usb_stor_bulk_srb(us, ipipe, srb);
US_DEBUGP("freecom_readdata done!\n");
if (result > USB_STOR_XFER_SHORT)
@ -166,8 +165,7 @@ freecom_writedata (struct scsi_cmnd *srb, struct us_data *us,
/* Now transfer all of our blocks. */
US_DEBUGP("Start of write\n");
result = usb_stor_bulk_transfer_sg(us, opipe, srb->request_buffer,
count, srb->use_sg, &srb->resid);
result = usb_stor_bulk_srb(us, opipe, srb);
US_DEBUGP("freecom_writedata done!\n");
if (result > USB_STOR_XFER_SHORT)
@ -281,7 +279,7 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us)
* and such will hang. */
US_DEBUGP("Device indicates that it has %d bytes available\n",
le16_to_cpu (fst->Count));
US_DEBUGP("SCSI requested %d\n", srb->request_bufflen);
US_DEBUGP("SCSI requested %d\n", scsi_bufflen(srb));
/* Find the length we desire to read. */
switch (srb->cmnd[0]) {
@ -292,12 +290,12 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us)
length = le16_to_cpu(fst->Count);
break;
default:
length = srb->request_bufflen;
length = scsi_bufflen(srb);
}
/* verify that this amount is legal */
if (length > srb->request_bufflen) {
length = srb->request_bufflen;
if (length > scsi_bufflen(srb)) {
length = scsi_bufflen(srb);
US_DEBUGP("Truncating request to match buffer length: %d\n", length);
}

9
drivers/usb/storage/sddr09.c
View File

@ -1623,7 +1623,7 @@ int sddr09_transport(struct scsi_cmnd *srb, struct us_data *us)
return USB_STOR_TRANSPORT_ERROR;
}
if (srb->request_bufflen == 0)
if (scsi_bufflen(srb) == 0)
return USB_STOR_TRANSPORT_GOOD;
if (srb->sc_data_direction == DMA_TO_DEVICE ||
@ -1634,12 +1634,9 @@ int sddr09_transport(struct scsi_cmnd *srb, struct us_data *us)
US_DEBUGP("SDDR09: %s %d bytes\n",
(srb->sc_data_direction == DMA_TO_DEVICE) ?
"sending" : "receiving",
srb->request_bufflen);
scsi_bufflen(srb));
result = usb_stor_bulk_transfer_sg(us, pipe,
srb->request_buffer,
srb->request_bufflen,
srb->use_sg, &srb->resid);
result = usb_stor_bulk_srb(us, pipe, srb);
return (result == USB_STOR_XFER_GOOD ?
USB_STOR_TRANSPORT_GOOD : USB_STOR_TRANSPORT_ERROR);