netdev - [PATCH net-next v2 2/4] tools: ynl: Initialise fixed headers to 0 in genetlink-legacy

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Message-Id: <20230527133107.68161-3-donald.hunter@gmail.com>
Date: Sat, 27 May 2023 14:31:05 +0100
From: Donald Hunter <donald.hunter@...il.com>
To: netdev@...r.kernel.org,
	Jakub Kicinski <kuba@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Paolo Abeni <pabeni@...hat.com>
Cc: donald.hunter@...hat.com,
	Donald Hunter <donald.hunter@...il.com>
Subject: [PATCH net-next v2 2/4] tools: ynl: Initialise fixed headers to 0 in genetlink-legacy

This eliminates the need for e.g. --json '{"dp-ifindex":0}' which is not
too big a deal for ovs but will get tiresome for fixed header structs that
have many members.

Signed-off-by: Donald Hunter <donald.hunter@...il.com>
---
 tools/net/ynl/lib/ynl.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/net/ynl/lib/ynl.py b/tools/net/ynl/lib/ynl.py
index 39a2296c0003..85ee6a4bee72 100644
--- a/tools/net/ynl/lib/ynl.py
+++ b/tools/net/ynl/lib/ynl.py
@@ -541,7 +541,7 @@ class YnlFamily(SpecFamily):
         if op.fixed_header:
             fixed_header_members = self.consts[op.fixed_header].members
             for m in fixed_header_members:
-                value = vals.pop(m.name)
+                value = vals.pop(m.name) if m.name in vals else 0
                 format = NlAttr.get_format(m.type, m.byte_order)
                 msg += format.pack(value)
         for name, value in vals.items():
-- 
2.39.0