linux-kernel - Re: block/ps3vram: Delete an error message for a failed memory allocation in ps3vram_cache

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Message-ID: <dd16f28c-1613-cfb2-5349-07aaac2f2f5a@users.sourceforge.net>
Date:   Mon, 7 Aug 2017 18:27:04 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Geoff Levand <geoff@...radead.org>, linuxppc-dev@...ts.ozlabs.org
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: block/ps3vram: Delete an error message for a failed memory
 allocation in ps3vram_cache_init()

>> Omit an extra message for a memory allocation failure in this function.
>>
>> This issue was detected by using the Coccinelle software.
> 
> NACK
> 
> When a user asks me for help I would certainly like to get 
> 'Could not allocate cache tags' as apposed to nothing,

Do you find the default allocation failure report insufficient?


> since the return value of ps3vram_cache_init() is not checked.

Are there any more update candidates to consider for better exception handling?

Regards,
Markus