[src/trunk]: src/sys/dev/usb Add a DIAGNOSTIC message.

[augustss <augustss%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b183498901f4
branches:  trunk
changeset: 500204:b183498901f4
user:      augustss <augustss%NetBSD.org@localhost>
date:      Fri Dec 08 02:33:44 2000 +0000

description:
Add a DIAGNOSTIC message.

diffstat:

 sys/dev/usb/umass.c |  9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diffs (23 lines):

diff -r 23c6e60f0ec8 -r b183498901f4 sys/dev/usb/umass.c
--- a/sys/dev/usb/umass.c       Fri Dec 08 02:30:51 2000 +0000
+++ b/sys/dev/usb/umass.c       Fri Dec 08 02:33:44 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: umass.c,v 1.44 2000/11/04 15:54:36 augustss Exp $      */
+/*     $NetBSD: umass.c,v 1.45 2000/12/08 02:33:44 augustss Exp $      */
 /*-
  * Copyright (c) 1999 MAEKAWA Masahide <bishop%rr.iij4u.or.jp@localhost>,
  *                   Nick Hibma <n_hibma%freebsd.org@localhost>
@@ -3235,6 +3235,13 @@
 Static void
 umass_scsipi_minphys(struct buf *bp)
 {
+#ifdef DIAGNOSTIC
+       if (bp->b_bcount <= 0) {
+               printf("umass_scsipi_minphys count(%ld) <= 0\n",
+                      bp->b_bcount);
+               bp->b_bcount = UMASS_MAX_TRANSFER_SIZE;
+       }
+#endif
        if (bp->b_bcount > UMASS_MAX_TRANSFER_SIZE)
                bp->b_bcount = UMASS_MAX_TRANSFER_SIZE;
        minphys(bp);