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Message-ID: <2bcac0ef-2937-f3c9-0f22-4a3b727bf150@nod.at>
Date:   Fri, 28 Oct 2016 11:14:19 +0200
From:   Richard Weinberger <richard@....at>
To:     Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Artem Bityutskiy <dedekind1@...il.com>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] UBI: fastmap: Fix add_vol() return value test in
 ubi_attach_fastmap()

On 28.10.2016 11:12, Boris Brezillon wrote:
> On Fri, 28 Oct 2016 11:08:44 +0200
> Boris Brezillon <boris.brezillon@...e-electrons.com> wrote:
> 
>> Commit e96a8a3bb671 ("UBI: Fastmap: Do not add vol if it already
>> exists") introduced a bug by changing the possible error codes returned
>> by add_vol():
>> - this functions no longer returns NULL in case of allocation failure
> 
> 	 ^ function
> 
>>   but return ERR_PTR(-ENOMEM)
>> - when a duplicate entry in the volume RB tree is found it returns
>>   ERR_PTR(-EEXIST) instead of ERR_PTR(-EINVAL)
>>
>> Fix the tests done of add_vol() return value accordingly.
> 
> "Fix the tests done on add_vol() return val to match this new behavior."
> 
> Do you want me to send a new version fixing the commit message?

Nope, I can fixup it myself. :-)

Thanks,
//richard

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