netdev - [PATCH net-next 05/10] tools: ynl-gen: add error checking for nested structs

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Message-Id: <20230602023548.463441-6-kuba@kernel.org>
Date: Thu,  1 Jun 2023 19:35:43 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org,
	edumazet@...gle.com,
	pabeni@...hat.com,
	Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next 05/10] tools: ynl-gen: add error checking for nested structs

Parsing nested types may return an error, propagate it.
Not marking as a fix, because nothing uses YNL upstream.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
 tools/net/ynl/ynl-gen-c.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 2ceb4ce1423f..8bf4b70216d7 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -424,7 +424,8 @@ from lib import SpecFamily, SpecAttrSet, SpecAttr, SpecOperation, SpecEnumSet, S
                             f"{self.enum_name}, &{var}->{self.c_name})")
 
     def _attr_get(self, ri, var):
-        get_lines = [f"{self.nested_render_name}_parse(&parg, attr);"]
+        get_lines = [f"if ({self.nested_render_name}_parse(&parg, attr))",
+                     "return MNL_CB_ERROR;"]
         init_lines = [f"parg.rsp_policy = &{self.nested_render_name}_nest;",
                       f"parg.data = &{var}->{self.c_name};"]
         return get_lines, init_lines, None
-- 
2.40.1