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Invalid filesystem might cause the bp to be never read.

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Noted by:	Pedro F. Giffuni <giffunip tutopia com>
Obtanined from:	NetBSD
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2010-02-14 12:10:49 +00:00
parent 8310a1a27a
commit 3c8b687fe1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=203866
1 changed files with 2 additions and 1 deletions
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3
sys/fs/msdosfs/msdosfs_fat.c
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@ -944,7 +944,8 @@ fillinusemap(pmp)
if (readcn == 0)
usemap_free(pmp, cn);
}
brelse(bp);
if (bp != NULL)
brelse(bp);
return (0);
}