[src/trunk]: src/sys/fs/msdosfs Move the initialization of n to after the err...

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

details:   https://anonhg.NetBSD.org/src/rev/bf905050a0d5
branches:  trunk
changeset: 783543:bf905050a0d5
user:      hannken <hannken%NetBSD.org@localhost>
date:      Fri Dec 28 08:03:59 2012 +0000

description:
Move the initialization of n to after the error branch.

>From Taylor R Campbell <riastradh%netbsd.org@localhost>

diffstat:

 sys/fs/msdosfs/msdosfs_vnops.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r e235a252cb6c -r bf905050a0d5 sys/fs/msdosfs/msdosfs_vnops.c
--- a/sys/fs/msdosfs/msdosfs_vnops.c    Fri Dec 28 07:10:41 2012 +0000
+++ b/sys/fs/msdosfs/msdosfs_vnops.c    Fri Dec 28 08:03:59 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: msdosfs_vnops.c,v 1.84 2012/12/20 08:03:42 hannken Exp $       */
+/*     $NetBSD: msdosfs_vnops.c,v 1.85 2012/12/28 08:03:59 hannken Exp $       */
 
 /*-
  * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -48,7 +48,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_vnops.c,v 1.84 2012/12/20 08:03:42 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_vnops.c,v 1.85 2012/12/28 08:03:59 hannken Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -525,10 +525,10 @@
                 */
                error = bread(pmp->pm_devvp, de_bn2kb(pmp, lbn), blsize,
                    NOCRED, 0, &bp);
-               n = MIN(n, pmp->pm_bpcluster - bp->b_resid);
                if (error) {
                        goto bad;
                }
+               n = MIN(n, pmp->pm_bpcluster - bp->b_resid);
                error = uiomove((char *)bp->b_data + on, (int) n, uio);
                brelse(bp, 0);
        } while (error == 0 && uio->uio_resid > 0 && n != 0);