[libvirt PATCH 4/4] tools: be more paranoid about possibly NULL description

[Daniel P. Berrangé <berrange@xxxxxxxxxx>]

GCC 10 complains about "desc" possibly being a NULL dereference. Even
though it is a false positive, we can easily avoid it.

Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
---
 tools/vsh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/vsh.c b/tools/vsh.c
index 527c135424..b65e99cbd2 100644
--- a/tools/vsh.c
+++ b/tools/vsh.c
@@ -689,7 +689,7 @@ vshCmddefHelp(vshControl *ctl, const vshCmdDef *def)
     fputc('\n', stdout);
 
     desc = vshCmddefGetInfo(def, "desc");
-    if (*desc) {
+    if (desc && *desc) {
         /* Print the description only if it's not empty.  */
         fputs(_("\n  DESCRIPTION\n"), stdout);
         fprintf(stdout, "    %s\n", _(desc));
-- 
2.24.1