[libvirt] [PATCH 2/6] vmware: Avoid NULL dereference for 'caps'

Daniel P. Berrange berrange at redhat.com
Mon Jan 7 18:26:20 UTC 2013


On Mon, Jan 07, 2013 at 12:09:30PM -0500, John Ferlan wrote:
> When virCapabilitiesNew() fails, caps will be NULL resulting in possible
> core when deref'd in cpuDataFree() call.
> ---
>  src/vmware/vmware_conf.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/src/vmware/vmware_conf.c b/src/vmware/vmware_conf.c
> index b514636..fd9c473 100644
> --- a/src/vmware/vmware_conf.c
> +++ b/src/vmware/vmware_conf.c
> @@ -127,7 +127,8 @@ vmwareCapsInit(void)
>  
>  cleanup:
>      virCPUDefFree(cpu);
> -    cpuDataFree(caps->host.arch, data);
> +    if (caps)
> +        cpuDataFree(caps->host.arch, data);
>  
>      return caps;

ACK

Daniel
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