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

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Message-ID: <b6b5f2f0-bbfe-8471-d8fc-e236ea0b1ea4@infradead.org>
Date:   Mon, 7 Aug 2017 08:10:59 -0700
From:   Geoff Levand <geoff@...radead.org>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>,
        linuxppc-dev@...ts.ozlabs.org,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] block/ps3vram: Delete an error message for a failed
 memory allocation in ps3vram_cache_init()

On 08/07/2017 03:52 AM, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Mon, 7 Aug 2017 12:37:01 +0200
> 
> 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, since
the return value of ps3vram_cache_init() is not checked.

If you want to make an improvement please add a check for
success of ps3vram_cache_init() in ps3vram_probe().

-Geoff