[Xen-devel] [PATCH for-4.6 05/13] xl: check json string is not null before printing in create_domain

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 tools/libxl/xl_cmdimpl.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index bfd8e59..fc61650 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -2763,6 +2763,11 @@ static uint32_t create_domain(struct domain_create 
*dom_info)
             printf_info_sexp(-1, &d_config, cfg_print_fh);
         } else {
             char *json = libxl_domain_config_to_json(ctx, &d_config);
+            if (!json) {
+                fprintf(stderr,
+                        "Failed to convert domain configuration to JSON\n");
+                exit(1);
+            }
             fputs(json, cfg_print_fh);
             free(json);
             flush_stream(cfg_print_fh);
-- 
1.9.1


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