netdev - [patch net-next] ynl-gen-c.py: avoid rendering empty validate field

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Date: Tue,  8 Aug 2023 11:03:44 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: kuba@...nel.org,
	pabeni@...hat.com,
	davem@...emloft.net,
	edumazet@...gle.com
Subject: [patch net-next] ynl-gen-c.py: avoid rendering empty validate field

From: Jiri Pirko <jiri@...dia.com>

When dont-validate flags are filtered out for do/dump op, the list may
be empty. In that case, avoid rendering the validate field.

Fixes: fa8ba3502ade ("ynl-gen-c.py: render netlink policies static for split ops")
Signed-off-by: Jiri Pirko <jiri@...dia.com>
---
 tools/net/ynl/ynl-gen-c.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index e64311331726..6b9d9380a6ab 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -2000,9 +2000,10 @@ def print_kernel_op_table(family, cw):
                             continue
                         dont_validate.append(x)
 
-                    members.append(('validate',
-                                    ' | '.join([c_upper('genl-dont-validate-' + x)
-                                                for x in dont_validate])), )
+                    if dont_validate:
+                        members.append(('validate',
+                                        ' | '.join([c_upper('genl-dont-validate-' + x)
+                                                    for x in dont_validate])), )
                 name = c_lower(f"{family.name}-nl-{op_name}-{op_mode}it")
                 if 'pre' in op[op_mode]:
                     members.append((cb_names[op_mode]['pre'], c_lower(op[op_mode]['pre'])))
-- 
2.41.0