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path: root/drivers/scsi/3w-xxxx.c
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Diffstat (limited to 'drivers/scsi/3w-xxxx.c')
-rw-r--r--drivers/scsi/3w-xxxx.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index d09532162217..adb98a297210 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -1463,18 +1463,10 @@ static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id,
void *data, unsigned int len)
{
struct scsi_cmnd *cmd = tw_dev->srb[request_id];
- void *buf;
- unsigned int transfer_len;
- unsigned long flags = 0;
- struct scatterlist *sg = scsi_sglist(cmd);
+ unsigned long flags;
local_irq_save(flags);
- buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
- transfer_len = min(sg->length, len);
-
- memcpy(buf, data, transfer_len);
-
- kunmap_atomic(buf - sg->offset, KM_IRQ0);
+ scsi_sg_copy_from_buffer(cmd, data, len);
local_irq_restore(flags);
}
@@ -2294,8 +2286,6 @@ static int __devinit tw_probe(struct pci_dev *pdev, const struct pci_device_id *
}
tw_dev = (TW_Device_Extension *)host->hostdata;
- memset(tw_dev, 0, sizeof(TW_Device_Extension));
-
/* Save values to device extension */
tw_dev->host = host;
tw_dev->tw_pci_dev = pdev;