Re: [Qemu-ppc] [FIX v1 PATCH] spapr_rtas: Prevent QEMU crash during hotplug without a prior device_add

[David Gibson]

On Mon, Aug 31, 2015 at 11:08:13AM +0530, Bharata B Rao wrote:
> If drmgr is used in the guest to hotplug a device before a device_add
> has been issued via the QEMU monitor, QEMU segfaults in configure_connector
> call. This occurs due to accessing of NULL FDT which otherwise would have
> been created and associated with the DRC during device_add command.
> 
> Check for NULL FDT and return failure from configure_connector call.
> As per PAPR+, an error value of -9003 seems appropriate for this failure.
> 
> Signed-off-by: Bharata B Rao <address@hidden>
> Cc: Michael Roth <address@hidden>

Applied to spapr-next, thanks.

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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