From: Jeff Dike <jdike@addtoit.com>
To: WANG Cong <xiyou.wangcong@gmail.com>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org,
user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] [PATCH 6/19] UML - hppfs fixes
Date: Mon, 28 Apr 2008 11:16:04 -0400 [thread overview]
Message-ID: <20080428151604.GB7334@c2.user-mode-linux.org> (raw)
In-Reply-To: <20080426.163132.194697674.xiyou.wangcong@gmail.com>
On Sat, Apr 26, 2008 at 04:31:32PM +0800, WANG Cong wrote:
> > - copy_to_user(buf, &data->contents[off], count);
> > - *ppos += count;
> > + rem = copy_to_user(buf, &data->contents[off], count);
> > + *ppos += count - rem;
> > + if (rem > 0)
> > + return -EFAULT;
>
>
> Could you please explain why check 'rem' after using it here?
Because I'm an idiot. Will fix.
> > static int hppfs_open(struct inode *inode, struct file *file)
> > {
> > struct hppfs_private *data;
> > - struct dentry *proc_dentry;
> > struct vfsmount *proc_mnt;
> > + struct dentry *proc_dentry;
>
> And what does this kind of change mean?
It means I culdn't make up my mind. I first got rid of the dentrys,
then put them back, but in a different place.
Jeff
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Work email - jdike at linux dot intel dot com
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next prev parent reply other threads:[~2008-04-28 15:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-25 17:56 [uml-devel] [PATCH 6/19] UML - hppfs fixes Jeff Dike
2008-04-26 8:31 ` WANG Cong
2008-04-28 15:16 ` Jeff Dike [this message]
2008-04-28 15:29 ` Jeff Dike
2008-04-29 8:04 ` WANG Cong
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