diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/ibmmca.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/scsi/ibmmca.c b/drivers/scsi/ibmmca.c index bec242df361..4275d1b04ce 100644 --- a/drivers/scsi/ibmmca.c +++ b/drivers/scsi/ibmmca.c @@ -555,7 +555,7 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id) printk(KERN_ERR "IBM MCA SCSI: Fatal Subsystem ERROR!\n"); printk(KERN_ERR " Last cmd=0x%x, ena=%x, len=", lastSCSI, ld(shpnt)[ldn].scb.enable); if (ld(shpnt)[ldn].cmd) - printk("%ld/%ld,", (long) (ld(shpnt)[ldn].cmd->request_bufflen), (long) (ld(shpnt)[ldn].scb.sys_buf_length)); + printk("%ld/%ld,", (long) (scsi_bufflen(ld(shpnt)[ldn].cmd)), (long) (ld(shpnt)[ldn].scb.sys_buf_length)); else printk("none,"); if (ld(shpnt)[ldn].cmd) @@ -1708,7 +1708,7 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) int target; int max_pun; int i; - struct scatterlist *sl; + struct scatterlist *sg; shpnt = cmd->device->host; @@ -1829,20 +1829,18 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) scb->tsb_adr = isa_virt_to_bus(&(ld(shpnt)[ldn].tsb)); scsi_cmd = cmd->cmnd[0]; - if (cmd->use_sg) { - i = cmd->use_sg; - sl = (struct scatterlist *) (cmd->request_buffer); - if (i > 16) - panic("IBM MCA SCSI: scatter-gather list too long.\n"); - while (--i >= 0) { - ld(shpnt)[ldn].sge[i].address = (void *) (isa_page_to_bus(sl[i].page) + sl[i].offset); - ld(shpnt)[ldn].sge[i].byte_length = sl[i].length; + if (scsi_sg_count(cmd)) { + BUG_ON(scsi_sg_count(cmd) > 16); + + scsi_for_each_sg(cmd, sg, scsi_sg_count(cmd), i) { + ld(shpnt)[ldn].sge[i].address = (void *) (isa_page_to_bus(sg->page) + sg->offset); + ld(shpnt)[ldn].sge[i].byte_length = sg->length; } scb->enable |= IM_POINTER_TO_LIST; scb->sys_buf_adr = isa_virt_to_bus(&(ld(shpnt)[ldn].sge[0])); - scb->sys_buf_length = cmd->use_sg * sizeof(struct im_sge); + scb->sys_buf_length = scsi_sg_count(cmd) * sizeof(struct im_sge); } else { - scb->sys_buf_adr = isa_virt_to_bus(cmd->request_buffer); + scb->sys_buf_adr = isa_virt_to_bus(scsi_sglist(cmd)); /* recent Linux midlevel SCSI places 1024 byte for inquiry * command. Far too much for old PS/2 hardware. */ switch (scsi_cmd) { @@ -1853,16 +1851,16 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) case REQUEST_SENSE: case MODE_SENSE: case MODE_SELECT: - if (cmd->request_bufflen > 255) + if (scsi_bufflen(cmd) > 255) scb->sys_buf_length = 255; else - scb->sys_buf_length = cmd->request_bufflen; + scb->sys_buf_length = scsi_bufflen(cmd); break; case TEST_UNIT_READY: scb->sys_buf_length = 0; break; default: - scb->sys_buf_length = cmd->request_bufflen; + scb->sys_buf_length = scsi_bufflen(cmd); break; } } |