linux-kernel - Re: [PATCH 1/1] v3.0.x: mtd: check partition count not partition array pointer

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Message-ID: <20121129213838.GA20660@kroah.com>
Date:	Thu, 29 Nov 2012 13:38:38 -0800
From:	Greg KH <greg@...ah.com>
To:	Anthony Foiani <tkil@...ye.com>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH 1/1] v3.0.x: mtd: check partition count not partition
 array pointer

On Wed, Nov 07, 2012 at 11:48:24PM -0700, Anthony Foiani wrote:
> 
> mtd: check partition count not partition array pointer
> 
> The documentation claims that "nr_parts" is the determining factor,
> while the code originally tested whether "parts" is non-null.
> 
> In at least one driver (fsl_elbc_nand), parts is never initialized to
> 0; even though nr_parts is correctly 0, add_mtd_partitions still tries
> to create 0 partitions.)
> 
> Make the code adhere to the documentation.
> 
> A quick scan of all uses in the 3.0.51 kernel show that they correctly
> rely on nr_parts rather than parts.
> 
> The current kernel has retired this function; I have not examined its
> replacement to see if it has the same issue.
> 
> Signed-Off-By: Anthony Foiani <anthony.foiani@...il.com>
> ---
>  drivers/mtd/mtdcore.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)


<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>
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