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From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: Michael Riesch <michael.riesch@wolfvision.net>,
	Barebox <barebox@lists.infradead.org>
Subject: Re: Handle null pointer returned by of_overlay_fix_path properly
Date: Wed, 29 Jun 2022 09:37:40 +0200	[thread overview]
Message-ID: <98ba3d2a-f940-3b77-2a5c-a21fbedaec92@pengutronix.de> (raw)
In-Reply-To: <95ff064f-aa11-c1ce-9d41-e38f2040c565@wolfvision.net>

Hello Michael,

On 22.06.22 10:07, Michael Riesch wrote:
> Hi all,
> 
> The function of_overlay_fix_path returns NULL in certain error cases but
> of_overlay_apply_symbols (which is the only caller) does not check the
> return value. For broken overlays this may result in an exception, which
> is probably not the best way to deal with this situation. I am not sure
> though what would be a good way to handle this error condition. Since
> the call happens in a loop, we may want to ignore the symbol in question
> and continue? Any thoughts?

I would abort overlay application on first error. If this can only
happen because of a malformed overlay, it makes no sense to apply
the overlay partially. Exiting with an error message is a service
to the user to investigate where it went wrong.

Cheers,
Ahmad

> 
> Best regards,
> Michael
> 
> 


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      reply	other threads:[~2022-06-29  7:39 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-22  8:07 Michael Riesch
2022-06-29  7:37 ` Ahmad Fatoum [this message]

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