Re: [PATCH] JBD/JBD2: free j_wbuf if journal init fails.

From: Jan Kara
Date: Tue Nov 10 2009 - 16:22:14 EST


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@xxxxxxxxxxxxxxxxxxxx>
> Cc: Jan Kara <jack@xxxxxxx>
> Signed-off-by: Tao Ma <tao.ma@xxxxxxxxxx>
> ---
> 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@xxxxxxx>
SUSE Labs, CR
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