linux-kernel - Re: [PATCH] JBD/JBD2: free j

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Date:	Tue, 10 Nov 2009 22:22:05 +0100
From:	Jan Kara <jack@...e.cz>
To:	Tao Ma <tao.ma@...cle.com>
Cc:	linux-kernel@...r.kernel.org, sunil.mushran@...cle.com,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jan Kara <jack@...e.cz>
Subject: Re: [PATCH] JBD/JBD2: free j_wbuf if journal init fails.

On Tue 10-11-09 17:13:22, Tao Ma wrote:
> If journal init fails, we need to free j_wbuf.
  Thanks, added to my tree.

							Honza
> 
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Jan Kara <jack@...e.cz>
> Signed-off-by: Tao Ma <tao.ma@...cle.com>
> ---
>  fs/jbd/journal.c  |    2 ++
>  fs/jbd2/journal.c |    2 ++
>  2 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
> index bd3c073..49d5cd6 100644
> --- a/fs/jbd/journal.c
> +++ b/fs/jbd/journal.c
> @@ -756,6 +756,7 @@ journal_t * journal_init_dev(struct block_device *bdev,
>  
>  	return journal;
>  out_err:
> +	kfree(journal->j_wbuf);
>  	kfree(journal);
>  	return NULL;
>  }
> @@ -820,6 +821,7 @@ journal_t * journal_init_inode (struct inode *inode)
>  
>  	return journal;
>  out_err:
> +	kfree(journal->j_wbuf);
>  	kfree(journal);
>  	return NULL;
>  }
> diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
> index b0ab521..fed8538 100644
> --- a/fs/jbd2/journal.c
> +++ b/fs/jbd2/journal.c
> @@ -913,6 +913,7 @@ journal_t * jbd2_journal_init_dev(struct block_device *bdev,
>  
>  	return journal;
>  out_err:
> +	kfree(journal->j_wbuf);
>  	jbd2_stats_proc_exit(journal);
>  	kfree(journal);
>  	return NULL;
> @@ -986,6 +987,7 @@ journal_t * jbd2_journal_init_inode (struct inode *inode)
>  
>  	return journal;
>  out_err:
> +	kfree(journal->j_wbuf);
>  	jbd2_stats_proc_exit(journal);
>  	kfree(journal);
>  	return NULL;
> -- 
> 1.5.4.4
> 
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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