linux-kernel - Re: udev: Inconsistency between %b and %p?

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Message-ID: <jeodgfu6pz.fsf@sykes.suse.de>
Date:	Thu, 06 Sep 2007 17:57:44 +0200
From:	Andreas Schwab <schwab@...e.de>
To:	Manuel Reimer <Manuel.Spam@...fuerspam.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: udev: Inconsistency between %b and %p?

Manuel Reimer <Manuel.Spam@...fuerspam.de> writes:

> As I would prefer to use the USB device information (idVendor, idProduct)
> to detect the device, I also tried this one:
>
> ATTRS{idVendor}=="0dda", ATTRS{idProduct}=="2005", SUBSYSTEM=="scsi",
> ACTION=="add", PROGRAM+="/usr/bin/test.sh %b %p"
>
> Now this version returns the USB device ID ($NUM-$NUM) to the test script,
> but the device path (%p) is still OK and still goes down up to the SCSI
> device ID.
>
> Why does %b not return the SCSI device ID in the second rule?

Because ATTRS has matched the USB device, not the SCSI device.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@...e.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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