linux-kernel - Re: [PATCH] ext2: fix missing mutex

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Message-ID: <20090414074356.GC398@duck.suse.cz>
Date:	Tue, 14 Apr 2009 09:43:57 +0200
From:	Jan Kara <jack@...e.cz>
To:	Akinobu Mita <akinobu.mita@...il.com>
Cc:	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ext2: fix missing mutex_unlock in error path

  Hello,

On Tue 14-04-09 16:36:31, Akinobu Mita wrote:
> Add missing mutex_unlock in error path in ext2_quota_write()
> 
> Cc: Jan Kara <jack@...e.cz>
> Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
> ---
> diff --git a/fs/ext2/super.c b/fs/ext2/super.c
> index f983225..5c4afe6 100644
> --- a/fs/ext2/super.c
> +++ b/fs/ext2/super.c
> @@ -1395,8 +1395,10 @@ static ssize_t ext2_quota_write(struct super_block *sb, int type,
>  		blk++;
>  	}
>  out:
> -	if (len == towrite)
> +	if (len == towrite) {
> +		mutex_unlock(&inode->i_mutex);
>  		return err;
> +	}
>  	if (inode->i_size < off+len-towrite)
>  		i_size_write(inode, off+len-towrite);
>  	inode->i_version++;
  Thanks for the patch but I already have this patch in my quota tree from
Dan Carpenter...

								Honza
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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