Re: [PATCHv1 02/12] qemu_monitor: Introduce qemuMonitorCPUModelInfoInit and qemuMonitorCPUModelInfoFreeContents

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On 06/22/2018 12:42 AM, Chris Venteicher wrote:
> Init - Initial with model name and empty properties
> FreeContents - Free model name and properties without freeing pointer
> ---
>  src/qemu/qemu_monitor.c | 37 ++++++++++++++++++++++++++++++++++++-
>  src/qemu/qemu_monitor.h |  4 ++++
>  2 files changed, 40 insertions(+), 1 deletion(-)
> 
> diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
> index d6771c1d52..16de54dac7 100644
> --- a/src/qemu/qemu_monitor.c
> +++ b/src/qemu/qemu_monitor.c
> @@ -3632,8 +3632,31 @@ qemuMonitorGetCPUModelExpansion(qemuMonitorPtr mon,
>  }
>  
>  
> +int
> +qemuMonitorCPUModelInfoInit(const char *name, qemuMonitorCPUModelInfoPtr model)
> +{
> +    int ret = -1;
> +
> +    if (!model)
> +        goto cleanup;
> +
> +    model->name = NULL;
> +    model->nprops = 0;
> +    model->props = NULL;
> +    model->props_migratable_valid = false;
> +
> +    if (VIR_STRDUP(model->name, name) < 0)
> +        goto cleanup;
> +
> +    ret = 0;
> +
> + cleanup:
> +    return ret;
> +}
> +> +
>  void
> -qemuMonitorCPUModelInfoFree(qemuMonitorCPUModelInfoPtr model_info)
> +qemuMonitorCPUModelInfoFreeContents(qemuMonitorCPUModelInfoPtr model_info)
>  {
>      size_t i;
>  
> @@ -3648,6 +3671,18 @@ qemuMonitorCPUModelInfoFree(qemuMonitorCPUModelInfoPtr model_info)
>  
>      VIR_FREE(model_info->props);
>      VIR_FREE(model_info->name);
> +
> +    model_info->name = NULL;
> +    model_info->nprops = 0;
> +    model_info->props = NULL;
> +    model_info->props_migratable_valid = false;
> +}

I thought VIR_FREE frees memory and then updates the pointer to NULL?

> +
> +
> +void
> +qemuMonitorCPUModelInfoFree(qemuMonitorCPUModelInfoPtr model_info)
> +{
> +    qemuMonitorCPUModelInfoFreeContents(model_info);
>      VIR_FREE(model_info);
>  }
>  
> diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
> index b3d62324b4..7dbc993f1b 100644
> --- a/src/qemu/qemu_monitor.h
> +++ b/src/qemu/qemu_monitor.h
> @@ -1021,6 +1021,10 @@ int qemuMonitorGetCPUModelExpansion(qemuMonitorPtr mon,
>                                      qemuMonitorCPUModelInfoPtr *model_info);
>  
>  void qemuMonitorCPUModelInfoFree(qemuMonitorCPUModelInfoPtr model_info);
> +void qemuMonitorCPUModelInfoFreeContents(qemuMonitorCPUModelInfoPtr model_info);
> +
> +int qemuMonitorCPUModelInfoInit(const char *name, qemuMonitorCPUModelInfoPtr model)
> +    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
>  
>  qemuMonitorCPUModelInfoPtr
>  qemuMonitorCPUModelInfoCopy(const qemuMonitorCPUModelInfo *orig);
> 


-- 
Respectfully,
- Collin Walling

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