linux-kernel - Re: hyperv/netvsc: Delete two error messages for a failed memory allocation in netvsc_init

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Date:   Mon, 8 Jan 2018 19:19:23 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Haiyang Zhang <haiyangz@...rosoft.com>,
        "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
        netdev@...r.kernel.org
Cc:     KY Srinivasan <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: hyperv/netvsc: Delete two error messages for a failed memory
 allocation in netvsc_init_buf()

> These messages are not displayed anywhere else:
> "unable to allocate receive buffer of size %u\n"
> "unable to allocate send buffer of size %u\n",
> 
> After set ret = -ENOMEM; and cleanup, we won't know which buffer allocation failed without the error message.

Do you notice a Linux allocation failure report before them in your system?


> So please do not remove these messages.

How much does the distinction matter for these buffers?

Regards,
Markus