--- Gnu-Mach/linux/src/drivers/scsi/wd7000.c	2020/09/02 04:41:40	1.1
+++ Gnu-Mach/linux/src/drivers/scsi/wd7000.c	2020/09/02 04:46:25	1.1.1.2
@@ -1,4 +1,4 @@
-/* $Id: wd7000.c,v 1.1 2020/09/02 04:41:40 root Exp $
+/* $Id: wd7000.c,v 1.1.1.2 2020/09/02 04:46:25 root Exp $
  *  linux/drivers/scsi/wd7000.c
  *
  *  Copyright (C) 1992  Thomas Wuensche
@@ -573,7 +573,7 @@ static int mail_out (Adapter *host, Scb
 	    break;
 	}
 	else
-	    ogmb = (++ogmb) % OGMB_CNT;
+	    ogmb = (ogmb + 1) % OGMB_CNT;
     }
 
     restore_flags (flags);