diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index dfcb96f..f244d4f 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -487,7 +487,9 @@
  * @work:	Work to queue for execution.
  *
  * Return value:
- * 	0 on success / != 0 for error
+ * 	1 - work queued for execution
+ *	0 - work is already queued
+ *	-EINVAL - work queue doesn't exist
  **/
 int scsi_queue_work(struct Scsi_Host *shost, struct work_struct *work)
 {