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[SCSI] 3w-9xxx: eliminate missed map_single path

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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>
This commit is contained in:
FUJITA Tomonori 2007-05-31 15:24:03 +09:00 • committed by James Bottomley
parent 5bc65793cb
commit b1192d5eba
1 changed files with 1 additions and 7 deletions
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8
drivers/scsi/3w-9xxx.c
View file

@ -1902,17 +1902,11 @@ out:
static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int request_id) static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int request_id)
{ {
struct scsi_cmnd *cmd = tw_dev->srb[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 && if (scsi_bufflen(cmd) < TW_MIN_SGL_LENGTH &&
(cmd->sc_data_direction == DMA_FROM_DEVICE || (cmd->sc_data_direction == DMA_FROM_DEVICE ||
cmd->sc_data_direction == DMA_BIDIRECTIONAL)) { cmd->sc_data_direction == DMA_BIDIRECTIONAL)) {
if (!use_sg) if (scsi_sg_count(cmd) == 1) {
memcpy(scsi_sglist(cmd),
tw_dev->generic_buffer_virt[request_id],
scsi_bufflen(cmd));
if (use_sg == 1) {
struct scatterlist *sg = scsi_sglist(tw_dev->srb[request_id]); struct scatterlist *sg = scsi_sglist(tw_dev->srb[request_id]);
char *buf; char *buf;
unsigned long flags = 0; unsigned long flags = 0;