linux-kernel - Re: [1/3] mfd/omap-usb-tll: Delete two error messages for a failed memory allocation in usbtll_omap

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Date:   Mon, 15 Jan 2018 19:12:37 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Ladislav Michl <ladis@...ux-mips.org>, linux-omap@...r.kernel.org
Cc:     Lee Jones <lee.jones@...aro.org>, Tony Lindgren <tony@...mide.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [1/3] mfd/omap-usb-tll: Delete two error messages for a failed
 memory allocation in usbtll_omap_probe()

> That said, you might end having only fragment of log in only one of thousands
> And saying technician he needs to use another kernel (upgrade all machines)
> and wait another several weeks for bug to trigger is no way.

This was not really my intention here.


> So until evolution reaches ARM land, my point stands unchanged:
> Make it single allocation

Did I indicate a similar design direction (for the preferred stack trace
convenience) after your constructive feedback?


> or leave one of those two messages in place.

Are there any more preferences involved?


> In practice it probably does not matter if we know which allocation
> failed. We simply run out of memmory.

Would anybody insist to know for which driver instance an allocation attempt
was performed?


>> Does your update suggestion contain still any additional error messages for
>> memory allocation failures?
> 
> Of course not as there will be only one memory allocation in the probe function.

Thanks for this clarification. - So I hope that your solution approach
will be also fine. Will it supersede my proposal?

Regards,
Markus