netdev - Re: [PATCH 5/6] can: esd_usb: Rework display of error messages

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Message-ID: <20250813-small-pampas-deer-ca14d9-mkl@pengutronix.de>
Date: Wed, 13 Aug 2025 10:12:03 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Stefan Mätje <stefan.maetje@....eu>
Cc: Vincent Mailhol <mailhol.vincent@...adoo.fr>, 
	Frank Jungclaus <frank.jungclaus@....eu>, linux-can@...r.kernel.org, socketcan@....eu, 
	Simon Horman <horms@...nel.org>, Olivier Sobrie <olivier@...rie.be>, 
	Oliver Hartkopp <socketcan@...tkopp.net>, netdev@...r.kernel.org
Subject: Re: [PATCH 5/6] can: esd_usb: Rework display of error messages

On 11.08.2025 23:06:10, Stefan Mätje wrote:
> - esd_usb_open(): Get rid of duplicate "couldn't start device: %d\n"
>   message already printed from esd_usb_start().
> - Added the printout of error codes together with the error messages
>   in esd_usb_close() and some in esd_usb_probe(). The additional error
>   codes should lead to a better understanding what is really going
>   wrong.
> - Fix duplicate printout of network device name when network device
>   is registered. Add an unregister message for the network device
>   as counterpart to the register message.

If you want to print errors, please use '"%pE", ERR_PTR(err)', that will
decode the error code into human readable form.

Marc

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