Re: [PATCH for-4.5] xl: correct test condition on libxl_domain_info

[Ian Campbell <Ian.Campbell@citrix.com>]

CCing the folks who signed-of-by is on the original patch

On Wed, 2014-11-12 at 11:05 +0000, Wei Liu wrote:
> The `if' statement considered return value 0 from libxl_domain_info an
> error, while 0 actually means success.
> 
> Signed-off-by: Wei Liu <wei.liu2@citrix.com>

Acked-by: Ian Campbell <ian.campbell@citrix.com>

> Cc: Ian Jackson <ian.jackson@eu.citrix.com>
> ---
> This is a bug fix for PSR feature. This feature was added recently and it's
> not an regression. However, it would be good to have it working correctly
> since the beginning, and the fix is straightforward, which should be of
> very low risk.

Ack.

> ---
>  tools/libxl/xl_cmdimpl.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
> index 3c9f146..9afef3f 100644
> --- a/tools/libxl/xl_cmdimpl.c
> +++ b/tools/libxl/xl_cmdimpl.c
> @@ -7908,7 +7908,7 @@ static int psr_cmt_show_cache_occupancy(uint32_t domid)
>      /* Each domain */
>      if (domid != INVALID_DOMID) {
>          libxl_dominfo dominfo;
> -        if (!libxl_domain_info(ctx, &dominfo, domid)) {
> +        if (libxl_domain_info(ctx, &dominfo, domid)) {
>              fprintf(stderr, "Failed to get domain info for %d\n", domid);
>              return -1;
>          }