linux-kernel - Re: [BUG: 2.6.22-rc2] SLAB doesn't like usb_get

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Message-ID: <Pine.LNX.4.64.0705191119460.17008@schroedinger.engr.sgi.com>
Date:	Sat, 19 May 2007 11:20:44 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Indan Zupancic <indan@....nu>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [BUG: 2.6.22-rc2] SLAB doesn't like usb_get_configuration()

On Sat, 19 May 2007, Indan Zupancic wrote:

> I had two SLAb related bugs, both with usb_get_configuration()
> near the end of the backtrace. First one was with git between
> rc1 and rc2, but very close to rc2, second one was with rc2,
> both at bootup.

Well usb_get_configuration seems to do a kmalloc(0) which is a bit 
strange and this is why we flagged the allocation in the slab allocators. 
Is there some way to avoid allocating an object of zero length?
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