linux-kernel - Re: [PATCH 1/3] Add possibly missing iput() when quotaon and quotaoff races

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Message-Id: <20080313144211.d32c58f2.akpm@linux-foundation.org>
Date:	Thu, 13 Mar 2008 14:42:11 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] Add possibly missing iput() when quotaon and
 quotaoff races

On Thu, 13 Mar 2008 13:05:52 +0100
Jan Kara <jack@...e.cz> wrote:

> We should always put inode we have reference to, even if quota was reenabled
> in the mean time.
> 
> Signed-off-by: Jan Kara <jack@...e.cz>
> 
> ---
>  dquot.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/dquot.c b/fs/dquot.c
> index f816d06..24eef58 100644
> --- a/fs/dquot.c
> +++ b/fs/dquot.c
> @@ -1522,8 +1522,8 @@ int vfs_quota_off(struct super_block *sb, int type)
>  				truncate_inode_pages(&toputinode[cnt]->i_data, 0);
>  				mutex_unlock(&toputinode[cnt]->i_mutex);
>  				mark_inode_dirty(toputinode[cnt]);
> -				iput(toputinode[cnt]);
>  			}
> +			iput(toputinode[cnt]);
>  			mutex_unlock(&dqopt->dqonoff_mutex);
>  		}
>  	if (sb->s_bdev)

This one looks like 2.6.25 material?
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