[libvirt] [PATCH] Fix segfault if no qemu emulator passed

[Daniel P. Berrange]

On Mon, Sep 08, 2008 at 11:10:17PM -0400, Cole Robinson wrote:
> There is unfortunately a pretty prevalent
> segfault in the latest libvirt. If a qemu
> domain is defined without an emulator
> specified, libvirtd crashes.
> 
> This is doubly unfortunate since current
> virtinst generates an emulator-less config
> for all qemu and kvm guests (I'm about to fix
> this upstream though).

#%(*&#@(%@. Damn. This is worthy of a brown paper bag release for libvirt
to fix this shockingly bad bug.

> diff --git a/src/qemu_conf.c b/src/qemu_conf.c
> index d742c32..23ef050 100644
> --- a/src/qemu_conf.c
> +++ b/src/qemu_conf.c
> @@ -790,7 +790,7 @@ int qemudBuildCommandLine(virConnectPtr conn,
>      if (!emulator)
>          return -1;
>  
> -    ADD_ARG_LIT(vm->def->emulator);
> +    ADD_ARG_LIT(emulator);
>      ADD_ARG_LIT("-S");
>      ADD_ARG_LIT("-M");
>      ADD_ARG_LIT(vm->def->os.machine);

ACK

Daniel
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