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isofs: fix bh leak in isofs_fill_super() error case

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In isofs_fill_super(), when an iso_primary_descriptor is found, it is
kept in pri_bh.  The error cases don't properly release it.  Fix it.

Reported-and-tested-by: 김원석 <stanley.will.kim@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-06-08 10:30:03 -07:00
parent a6c0a39262
commit c11760c6d8
1 changed files with 2 additions and 1 deletions
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3
fs/isofs/inode.c
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@ -974,7 +974,7 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
out_no_read:
printk(KERN_WARNING "%s: bread failed, dev=%s, iso_blknum=%d, block=%d\n",
__func__, s->s_id, iso_blknum, block);
goto out_freesbi;
goto out_freebh;
out_bad_zone_size:
printk(KERN_WARNING "ISOFS: Bad logical zone size %ld\n",
sbi->s_log_zone_size);
@ -989,6 +989,7 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
out_freebh:
brelse(bh);
brelse(pri_bh);
out_freesbi:
kfree(opt.iocharset);
kfree(sbi);