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path: root/drivers/scsi/stex.c
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Diffstat (limited to 'drivers/scsi/stex.c')
-rw-r--r--drivers/scsi/stex.c34
1 files changed, 12 insertions, 22 deletions
diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index 72f6d8015358..4b6861cf0417 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -461,23 +461,6 @@ static void stex_internal_copy(struct scsi_cmnd *cmd,
}
}
-static int stex_direct_copy(struct scsi_cmnd *cmd,
- const void *src, size_t count)
-{
- size_t cp_len = count;
- int n_elem = 0;
-
- n_elem = scsi_dma_map(cmd);
- if (n_elem < 0)
- return 0;
-
- stex_internal_copy(cmd, src, &cp_len, n_elem, ST_TO_CMD);
-
- scsi_dma_unmap(cmd);
-
- return cp_len == count;
-}
-
static void stex_controller_info(struct st_hba *hba, struct st_ccb *ccb)
{
struct st_frame *p;
@@ -569,8 +552,10 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *))
unsigned char page;
page = cmd->cmnd[2] & 0x3f;
if (page == 0x8 || page == 0x3f) {
- stex_direct_copy(cmd, ms10_caching_page,
- sizeof(ms10_caching_page));
+ size_t cp_len = sizeof(ms10_caching_page);
+ stex_internal_copy(cmd, ms10_caching_page,
+ &cp_len, scsi_sg_count(cmd),
+ ST_TO_CMD);
cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
done(cmd);
} else
@@ -599,8 +584,10 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *))
if (id != host->max_id - 1)
break;
if (lun == 0 && (cmd->cmnd[1] & INQUIRY_EVPD) == 0) {
- stex_direct_copy(cmd, console_inq_page,
- sizeof(console_inq_page));
+ size_t cp_len = sizeof(console_inq_page);
+ stex_internal_copy(cmd, console_inq_page,
+ &cp_len, scsi_sg_count(cmd),
+ ST_TO_CMD);
cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
done(cmd);
} else
@@ -609,6 +596,7 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *))
case PASSTHRU_CMD:
if (cmd->cmnd[1] == PASSTHRU_GET_DRVVER) {
struct st_drvver ver;
+ size_t cp_len = sizeof(ver);
ver.major = ST_VER_MAJOR;
ver.minor = ST_VER_MINOR;
ver.oem = ST_OEM;
@@ -616,7 +604,9 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *))
ver.signature[0] = PASSTHRU_SIGNATURE;
ver.console_id = host->max_id - 1;
ver.host_no = hba->host->host_no;
- cmd->result = stex_direct_copy(cmd, &ver, sizeof(ver)) ?
+ stex_internal_copy(cmd, &ver, &cp_len,
+ scsi_sg_count(cmd), ST_TO_CMD);
+ cmd->result = sizeof(ver) == cp_len ?
DID_OK << 16 | COMMAND_COMPLETE << 8 :
DID_ERROR << 16 | COMMAND_COMPLETE << 8;
done(cmd);