netdev - Re: [patch v2] net/usb: remove err() messages in few drivers

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Date:	Tue, 13 Jan 2009 17:05:50 -0800
From:	David Brownell <david-b@...bell.net>
To:	"Alexey Klimov" <klimov.linux@...il.com>
Cc:	"Oliver Neukum" <oliver@...kum.org>, davem@...emloft.net,
	"Greg KH" <greg@...ah.com>, netdev@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [patch v2] net/usb: remove err() messages in few drivers

On Tuesday 13 January 2009, Alexey Klimov wrote:
> > Use the interface passed into probe():  dev_err(&intf->dev, ...) etc
> 
> Well, in few v4l-dvb drivers successfully used &radio->usbdev->dev in
> debug messages and that doesn't look wrong.

Use intf->dev ... always.  You may need to save the interface
in probe(), but that's easy.

"Doesn't look wrong" is incorrect; it doesn't list the driver
which issued it.  Which makes it harder to track down exactly
what issued the message, and thence what it really means.

- Dave
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