[SCSI] stex: use resid for xfer len information

The original implementation in stex_ys_commands() is inappropriate.
For xfer len information, we should use resid instead.

Signed-off-by: Ed Lin <ed.lin@promise.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index adda296..72f6d80 100644 (file)
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -719,8 +719,8 @@ static void stex_ys_commands(struct st_hba *hba,
 
        if (ccb->cmd->cmnd[0] == MGT_CMD &&
                resp->scsi_status != SAM_STAT_CHECK_CONDITION) {
-               scsi_bufflen(ccb->cmd) =
-                       le32_to_cpu(*(__le32 *)&resp->variable[0]);
+               scsi_set_resid(ccb->cmd, scsi_bufflen(ccb->cmd) -
+                       le32_to_cpu(*(__le32 *)&resp->variable[0]));
                return;
        }