linux-kernel - Re: SDHCI driver runnining in aspire one, allows to write to R/O SD cards

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Message-Id: <1240759276.10972.0.camel@maxim-laptop>
Date:	Sun, 26 Apr 2009 18:21:16 +0300
From:	Maxim Levitsky <maximlevitsky@...il.com>
To:	Robert Hancock <hancockrwd@...il.com>
Cc:	sdhci-devel@...ts.ossman.eu, pierre@...man.eu,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: SDHCI driver runnining in aspire one, allows to write to R/O
 SD cards

On Fri, 2009-04-24 at 01:10 +0300, Maxim Levitsky wrote:
> On Mon, 2009-04-20 at 17:42 -0600, Robert Hancock wrote:
> > Maxim Levitsky wrote:
> > > Hi,
> > > 
> > > I am an owner of aspire one, and it has a card reader.
> > > when I take a sd card, and pull down the protection tab, it still allows
> > > to write to the card (I tested with my main notebook that indeed, it did
> > > write there).
> > > 
> > > My main notebook, acer aspire 5720, doesn't have this problem.
> > > Kernel version in use is 2.6.28 vanilla, but this did happen in former
> > > version as well.
> > > 
> > > 
> > > Attached lspci, on acer one.
> > 
> > Do you know if it worked in any kernel version or OS? It's known that 
> > some SD card readers are too cheap to actually implement the 
> > write-protect detection.
> 
> I'll test in windows, but in linux it never did work.
> 
> Best regards,
> 	Maxim Levitsky
> 
Yep, works fine in windows.
Tested with and without lock tab.


Best regards,
	Maxim Levitsky

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