xl: correct test condition on libxl_domain_info

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>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 3c9f14686f7142156a2e1ab92a2b82de8406008c..9afef3fe05bf164c830a3ba1b6395b766a487a8f 100644 (file)
--- 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;
         }