tools: ynl: make user space policies const

Dan, who's working on C++ YNL, pointed out that the C code
does not make policies const. Sprinkle some 'const's around.

Reported-by: Dan Melnic <dmm@meta.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 3 deletions

diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index a42d62b23ee0..374ca5e86e24 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -1507,12 +1507,12 @@ def print_dump_prototype(ri):
 
 
 def put_typol_fwd(cw, struct):
-    cw.p(f'extern struct ynl_policy_nest {struct.render_name}_nest;')
+    cw.p(f'extern const struct ynl_policy_nest {struct.render_name}_nest;')
 
 
 def put_typol(cw, struct):
     type_max = struct.attr_set.max_name
-    cw.block_start(line=f'struct ynl_policy_attr {struct.render_name}_policy[{type_max} + 1] =')
+    cw.block_start(line=f'const struct ynl_policy_attr {struct.render_name}_policy[{type_max} + 1] =')
 
     for _, arg in struct.member_list():
         arg.attr_typol(cw)
@@ -1520,7 +1520,7 @@ def put_typol(cw, struct):
     cw.block_end(line=';')
     cw.nl()
 
-    cw.block_start(line=f'struct ynl_policy_nest {struct.render_name}_nest =')
+    cw.block_start(line=f'const struct ynl_policy_nest {struct.render_name}_nest =')
     cw.p(f'.max_attr = {type_max},')
     cw.p(f'.table = {struct.render_name}_policy,')
     cw.block_end(line=';')