netdev - [PATCH net] genetlink: correct uAPI defines

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Date:   Tue,  9 Aug 2022 16:27:40 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, edumazet@...gle.com, pabeni@...hat.com,
        johannes.berg@...el.com, johannes@...solutions.net,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net] genetlink: correct uAPI defines

Commit 50a896cf2d6f ("genetlink: properly support per-op policy dumping")
seems to have copy'n'pasted things a little incorrectly.

The #define CTRL_ATTR_MCAST_GRP_MAX should have stayed right
after the previous enum. The new CTRL_ATTR_POLICY_* needs
its own define for MAX and that max should not contain the
superfluous _DUMP in the name.

We probably can't do anything about the CTRL_ATTR_POLICY_DUMP_MAX
any more, there's likely code which uses it. For consistency
(*cough* codegen *cough*) let's add the correctly name define
nonetheless.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
 include/uapi/linux/genetlink.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/uapi/linux/genetlink.h b/include/uapi/linux/genetlink.h
index d83f214b4134..ddba3ca01e39 100644
--- a/include/uapi/linux/genetlink.h
+++ b/include/uapi/linux/genetlink.h
@@ -87,6 +87,8 @@ enum {
 	__CTRL_ATTR_MCAST_GRP_MAX,
 };

+#define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
+
 enum {
 	CTRL_ATTR_POLICY_UNSPEC,
 	CTRL_ATTR_POLICY_DO,
@@ -96,7 +98,6 @@ enum {
 	CTRL_ATTR_POLICY_DUMP_MAX = __CTRL_ATTR_POLICY_DUMP_MAX - 1
 };

-#define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
-
+#define CTRL_ATTR_POLICY_MAX (__CTRL_ATTR_POLICY_DUMP_MAX - 1)

 #endif /* _UAPI__LINUX_GENERIC_NETLINK_H */
-- 
2.37.1