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udf: destroy sbi mutex in put_super

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Call mutex_destroy() on superblock mutex in udf_put_super()
otherwise mutex debugging code isn't able to detect that
mutex is used after being freed.
(thanks to Jan Kara for complete definition).

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Fabian Frederick 2015-01-10 19:13:32 +01:00 committed by Jan Kara
parent 23b133bdc4
commit bbe48dd811
1 changed files with 1 additions and 0 deletions
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fs/udf/super.c
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@ -2300,6 +2300,7 @@ static void udf_put_super(struct super_block *sb)
udf_close_lvid(sb);
brelse(sbi->s_lvid_bh);
udf_sb_free_partitions(sb);
mutex_destroy(&sbi->s_alloc_mutex);
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;
}