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

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Date:   Mon, 07 Aug 2017 08:13:40 -0700
From:   Joe Perches <joe@...ches.com>
To:     Geoff Levand <geoff@...radead.org>,
        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 Mon, 2017-08-07 at 08:10 -0700, Geoff Levand wrote:
> On 08/07/2017 03:52 AM, SF Markus Elfring wrote:
> > Omit an extra message for a memory allocation failure in this function.
> 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.

You still get a dump_stack on alloc failure.