diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 82312df..dec4c70 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1260,7 +1260,7 @@
 
 	sense = rq->sense;
 	result = rq->errors;
-	resid = rq->data_len;
+	resid = rq->resid_len;
 
 	SCSI_LOG_TIMEOUT(4, printk("sg_cmd_done: %s, pack_id=%d, res=0x%x\n",
 		sdp->disk->disk_name, srp->header.pack_id, result));