linux-kernel - Re: bonding: Completion of error handling around bond_update_slave

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Date:   Thu, 4 Jan 2018 22:41:08 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Mahesh Bandewar (महेश बंडेवार) <maheshb@...gle.com>,
        linux-netdev <netdev@...r.kernel.org>
Cc:     Andy Gospodarek <andy@...yhouse.net>,
        Jay Vosburgh <j.vosburgh@...il.com>,
        Veaceslav Falico <vfalico@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: bonding: Completion of error handling around
 bond_update_slave_arr()

>>> If you see 8 out of 9 call sites in this file ignore the return value.
>>
>> How do you think about to fix error detection and corresponding
>> exception handling then?
>>
> If I understand your question correctly - not having memory is not a
> correctable error

I am unsure if it would be feasible to retry memory allocations for
this software module under other circumstances.


> and hence there are consequences.

Could one consequence be to let the error code “-ENOMEM” move through
the function call hierarchy?

Regards,
Markus