diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 3da02e4..6605ec9 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -1936,12 +1936,8 @@
 			       bio_data(rsp->bio), rsp->data_len);
 	if (ret > 0) {
 		/* positive number is the untransferred residual */
-		rsp->data_len = ret;
-		req->data_len = 0;
+		rsp->resid_len = ret;
 		ret = 0;
-	} else if (ret == 0) {
-		rsp->data_len = 0;
-		req->data_len = 0;
 	}
 
 	return ret;