linux-kernel - Re: vmbus: Delete an error message for a failed memory allocation in vmbus_device

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Date:   Fri, 12 May 2017 09:32:39 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Stephen Hemminger <stephen@...workplumber.org>,
        Wolfram Sang <wsa@...-dreams.de>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>, devel@...uxdriverproject.org
Subject: Re: vmbus: Delete an error message for a failed memory allocation in
 vmbus_device_create()

>> Just because an automated tool says that this needs to change does not
>> mean it has to.
> 
> Checkpatch.pl is correct here.  This message is useless.  It's during
> init so it's unlikely to fail ever.  In current kernels small kmallocs
> are quaranteed to succeed so it can't actually fail currently.  The
> stack trace is more useful than this message because it tells you a lot
> about what memory is free and the whole call tree.
> 
> The error message is dead useless code.

Would you like to clarify corresponding software evolution any more?

Is there a need for better documentation of the involved programming interfaces?


> This patch is not going to be merged because Markus doesn't listen to
> feedback and he's blocked but otherwise it's an OK patch.

Does this information contain a contradiction?
Will patches be picked up also from contributors who got a special
development reputation anyhow?

Regards,
Markus