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[Xen-devel] [PATCH for 4.6 v4 3/3] xl: handle empty vnuma configuration



When user specifies vnuma = [], we need to skip the whole parser
function, otherwise the parser sets b_info->max_memkb to garbage value.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 tools/libxl/xl_cmdimpl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index c9bd839..bfbd421 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -1093,6 +1093,9 @@ static void parse_vnuma_config(const XLU_Config *config,
     if (xlu_cfg_get_list(config, "vnuma", &vnuma, &num_vnuma, 1))
         return;
 
+    if (!num_vnuma)
+        return;
+
     b_info->num_vnuma_nodes = num_vnuma;
     b_info->vnuma_nodes = xcalloc(num_vnuma, sizeof(libxl_vnode_info));
     vcpu_parsed = xcalloc(num_vnuma, sizeof(libxl_bitmap));
-- 
2.1.4


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