linux-kernel - Re: vfat creates multiple files with the same filename

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Date:	Mon, 6 Jul 2009 21:11:51 +0200 (CEST)
From:	Marton Balint <cus@...ekas.hu>
To:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
cc:	linux-kernel@...r.kernel.org
Subject: Re: vfat creates multiple files with the same filename

On Wed, 1 Jul 2009, OGAWA Hirofumi wrote:

> Marton Balint <cus@...ekas.hu> writes:
> 
> > On Tue, 30 Jun 2009, OGAWA Hirofumi wrote:
> >> Marton Balint <cus@...ekas.hu> writes:
> >> 
> >> > I don't know if removing the invalid characters silently instead of 
> >> > returning EINVAL is a good practice, but allowing two files with identical 
> >> > filenames is definitely wrong. 
> >> 
> >> The utf8 function seems didn't return the error for invalid char.
> >> 
> >> > Could someone please have a look at the problem? Unfortunately I am not 
> >> > qualified enough to track it down...
> >> >
> >> > I've run the testcase on both 2.6.30 and 2.6.31-rc1 kernels, but this bug 
> >> > is probably not very new, since I remember having it also in 2.6.27.
> >> 
> >> This is quick hack though, this should return -EINVAL for invalid char
> >> like nls.  Can you try this?
> >
> > It works for me, filenames with invalid utf-8 characters are now rejected, 
> > so I no longer can create multiple files with the same name. Thanks for 
> > the fix.
> 
> Thanks for testing.

Will the patch be included in 2.6.31?

Regards,
  Marton
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