Date: Wed, 28 Nov 2007 18:50:24 +0000
From: Alasdair G Kergon <agk@redhat.com>
Subject: Re: [linux-lvm] Function clone_bio
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To: Sumit Narayan <sumnaray@gmail.com>
Cc: linux-lvm@redhat.com

On Wed, Nov 28, 2007 at 10:25:57AM -0500, Sumit Narayan wrote:
> There is a possibility of NULL being returned from bio_alloc_bioset. 
> Although unlikely, it could crash the kernel.
 
If that function can ever return NULL, then it's a bug in the function.

If there's not enough memory available immediately, it's supposed to delay
returning until there is.

Alasdair
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agk@redhat.com