Re: [Xen-devel] [PATCH 9/9] xl: use libxl_cpupoolinfo_list_free() in main_cpupoolnumasplit

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Fri, 2015-03-06 at 18:22 +0100, Dario Faggioli wrote:
> instead manually free the elements of the list, which is
         ^of       freeing

> exactly the purpose of the said function.
> 
> Trade also a couple of 'return'-s with 'goto out'-s, which
> is more in line with libxl usage paradigm.
> 
> Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
> Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Cc: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
> Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
> Cc: Juergen Gross <JGross@xxxxxxxx>
> ---
>  tools/libxl/xl_cmdimpl.c |   10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
> index 14b5a3d..ec2b6a9 100644
> --- a/tools/libxl/xl_cmdimpl.c
> +++ b/tools/libxl/xl_cmdimpl.c
> @@ -7477,9 +7477,8 @@ int main_cpupoolnumasplit(int argc, char **argv)
>      }
>      poolid = poolinfo[0].poolid;
>      sched = poolinfo[0].sched;
> -    for (p = 0; p < n_pools; p++) {
> -        libxl_cpupoolinfo_dispose(poolinfo + p);
> -    }
> +    libxl_cpupoolinfo_list_free(poolinfo, n_pools);
> +
>      if (n_pools > 1) {
>          fprintf(stderr, "splitting not possible, already cpupools in use\n");
>          return 1;
> @@ -7493,8 +7492,7 @@ int main_cpupoolnumasplit(int argc, char **argv)
>  
>      if (libxl_cpu_bitmap_alloc(ctx, &cpumap, 0)) {
>          fprintf(stderr, "Failed to allocate cpumap\n");
> -        libxl_cputopology_list_free(topology, n_cpus);
> -        return 1;
> +        goto out;
>      }
>  
>      /* Reset Pool-0 to 1st node: first add cpus, then remove cpus to avoid
> @@ -7503,7 +7501,7 @@ int main_cpupoolnumasplit(int argc, char **argv)
>      node = topology[0].node;
>      if (libxl_cpupool_cpuadd_node(ctx, 0, node, &n)) {
>          fprintf(stderr, "error on adding cpu to Pool 0\n");
> -        return 1;
> +        goto out;
>      }
>  
>      snprintf(name, 15, "Pool-node%d", node);
> 
> 
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