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Date:	Tue, 10 Nov 2009 11:09:42 +0000
From:	Alan Cox <>
To:	Thadeu Lima de Souza Cascardo <>
Cc:	Andrew Morton <>,,,,,
Subject: Re: [PATCH] misc: use a proper range for minor number dynamic

> We could consider buggy the caller which asks for the same device name
> more than once, without unregistering the first device. But better safe

If they ask for the same name we certainly should. Probably we should
error that request and use WARN_ON() to shame the offender in

> than sorry: we should protect the correct drivers from the buggy ones
> and avoid a depletion of the minor numbers. And, in case the driver core
> returns another error for another reason (from device_create), we do the
> right thing.

Agreed we need to protect the working drivers.

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