This removes the remaining unnecessary map_single path
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int request_id)
{
struct scsi_cmnd *cmd = tw_dev->srb[request_id];
- int use_sg = scsi_sg_count(cmd);
if (scsi_bufflen(cmd) < TW_MIN_SGL_LENGTH &&
(cmd->sc_data_direction == DMA_FROM_DEVICE ||
cmd->sc_data_direction == DMA_BIDIRECTIONAL)) {
- if (!use_sg)
- memcpy(scsi_sglist(cmd),
- tw_dev->generic_buffer_virt[request_id],
- scsi_bufflen(cmd));
-
- if (use_sg == 1) {
+ if (scsi_sg_count(cmd) == 1) {
struct scatterlist *sg = scsi_sglist(tw_dev->srb[request_id]);
char *buf;
unsigned long flags = 0;