Subject: Re: [v3] cxl: Check if vphb exists before iterating over AFU devices

From: Michael Ellerman <[email-masked]>
Date: Fri, 24 Nov 2017 20:46:40 +1100 (AEDT)

On Thu, 2017-11-23 at 03:38:57 UTC, Vaibhav Jain wrote:
> During an eeh a kernel-oops is reported if no vPHB is allocated to the
> AFU. This happens as during AFU init, an error in creation of vPHB is
> a non-fatal error. Hence afu->phb should always be checked for NULL
> before iterating over it for the virtual AFU pci devices.
> 
> This patch fixes the kenel-oops by adding a NULL pointer check for
> afu->phb before it is dereferenced.
> 
> Fixes: 9e8df8a2196("cxl: EEH support")
> Cc: [email-masked]
> Signed-off-by: Vaibhav Jain <[email-masked]>
> Acked-by: Andrew Donnellan <[email-masked]>
> Acked-by: Frederic Barrat <[email-masked]>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/12841f87b7a8ceb3d54f171660f72a

cheers