[src/trunk]: src/sys/dev/raidframe handle possible errors from bdev_strategy.

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

details:   https://anonhg.NetBSD.org/src/rev/ffb76b9c127c
branches:  trunk
changeset: 342696:ffb76b9c127c
user:      mlelstv <mlelstv%NetBSD.org@localhost>
date:      Tue Jan 05 17:03:53 2016 +0000

description:
handle possible errors from bdev_strategy.

diffstat:

 sys/dev/raidframe/rf_netbsdkintf.c |  12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diffs (40 lines):

diff -r 4201d861f51c -r ffb76b9c127c sys/dev/raidframe/rf_netbsdkintf.c
--- a/sys/dev/raidframe/rf_netbsdkintf.c        Tue Jan 05 14:21:43 2016 +0000
+++ b/sys/dev/raidframe/rf_netbsdkintf.c        Tue Jan 05 17:03:53 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rf_netbsdkintf.c,v 1.337 2016/01/04 13:15:17 mlelstv Exp $     */
+/*     $NetBSD: rf_netbsdkintf.c,v 1.338 2016/01/05 17:03:53 mlelstv Exp $     */
 
 /*-
  * Copyright (c) 1996, 1997, 1998, 2008-2011 The NetBSD Foundation, Inc.
@@ -101,7 +101,7 @@
  ***********************************************************/
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rf_netbsdkintf.c,v 1.337 2016/01/04 13:15:17 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rf_netbsdkintf.c,v 1.338 2016/01/05 17:03:53 mlelstv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_compat_netbsd.h"
@@ -2323,7 +2323,9 @@
        bp->b_resid = dsize;
 
        bdev_strategy(bp);
-       error = biowait(bp);
+       error = bp->b_error;
+       if (!error)
+               error = biowait(bp);
 
        if (!error) {
                memcpy(data, bp->b_data, msize);
@@ -2368,7 +2370,9 @@
        bdev_strategy(bp);
        if (asyncp)
                return 0;
-       error = biowait(bp);
+       error = bp->b_error;
+       if (!error)
+               error = biowait(bp);
        brelse(bp, 0);
        if (error) {
 #if 1