diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index e8389b00ee74..4c08a7bd969f 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -173,6 +173,12 @@ static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
 	return *(struct scsi_driver **)rq->rq_disk->private_data;
 }
 
+/* A helper function to make it easier to backport upstream SCSI patches. */
+static inline void scsi_done(struct scsi_cmnd *cmd)
+{
+	cmd->scsi_done(cmd);
+}
+
 extern void scsi_finish_command(struct scsi_cmnd *cmd);
 
 extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,