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[src/trunk]: src/sys/fs/msdosfs On broken filesystems the fillinmap inner loo...
details: https://anonhg.NetBSD.org/src/rev/6c13de85d3fc
branches: trunk
changeset: 751168:6c13de85d3fc
user: joerg <joerg%NetBSD.org@localhost>
date: Tue Jan 26 20:25:52 2010 +0000
description:
On broken filesystems the fillinmap inner loop may have never read a
block, so don't try to release it if bp==NULL.
diffstat:
sys/fs/msdosfs/msdosfs_fat.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diffs (28 lines):
diff -r 4044ba7b9d74 -r 6c13de85d3fc sys/fs/msdosfs/msdosfs_fat.c
--- a/sys/fs/msdosfs/msdosfs_fat.c Tue Jan 26 19:11:00 2010 +0000
+++ b/sys/fs/msdosfs/msdosfs_fat.c Tue Jan 26 20:25:52 2010 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: msdosfs_fat.c,v 1.18 2009/03/14 21:04:23 dsl Exp $ */
+/* $NetBSD: msdosfs_fat.c,v 1.19 2010/01/26 20:25:52 joerg Exp $ */
/*-
* Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -48,7 +48,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_fat.c,v 1.18 2009/03/14 21:04:23 dsl Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_fat.c,v 1.19 2010/01/26 20:25:52 joerg Exp $");
/*
* kernel include files.
@@ -954,7 +954,8 @@
if (readcn == 0)
usemap_free(pmp, cn);
}
- brelse(bp, 0);
+ if (bp)
+ brelse(bp, 0);
return (0);
}
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