[src/trunk]: src/sys/miscfs/specfs In spec_strategy, if fscow_run() fails, se...

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

details:   https://anonhg.NetBSD.org/src/rev/82c57702ec84
branches:  trunk
changeset: 788811:82c57702ec84
user:      dholland <dholland%NetBSD.org@localhost>
date:      Sat Jul 20 22:42:59 2013 +0000

description:
In spec_strategy, if fscow_run() fails, set b_resid along with b_error
to avoid panic in biodone. Noticed by riastradh.

diffstat:

 sys/miscfs/specfs/spec_vnops.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r 8c2addeb2bef -r 82c57702ec84 sys/miscfs/specfs/spec_vnops.c
--- a/sys/miscfs/specfs/spec_vnops.c    Sat Jul 20 22:16:02 2013 +0000
+++ b/sys/miscfs/specfs/spec_vnops.c    Sat Jul 20 22:42:59 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: spec_vnops.c,v 1.138 2013/06/16 20:46:24 dholland Exp $        */
+/*     $NetBSD: spec_vnops.c,v 1.139 2013/07/20 22:42:59 dholland Exp $        */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -58,7 +58,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: spec_vnops.c,v 1.138 2013/06/16 20:46:24 dholland Exp $");
+__KERNEL_RCSID(0, "$NetBSD: spec_vnops.c,v 1.139 2013/07/20 22:42:59 dholland Exp $");
 
 #include <sys/param.h>
 #include <sys/proc.h>
@@ -995,6 +995,7 @@
 
        if (error) {
                bp->b_error = error;
+               bp->b_resid = bp->b_count;
                biodone(bp);
                return (error);
        }