netdev - [PATCH net-next v3 02/10] genetlink: make genl

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Date: Mon, 14 Aug 2023 14:47:15 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org,
	edumazet@...gle.com,
	pabeni@...hat.com,
	jiri@...nulli.us,
	johannes@...solutions.net,
	Jakub Kicinski <kuba@...nel.org>,
	Jiri Pirko <jiri@...dia.com>,
	sam@...dozajonas.com
Subject: [PATCH net-next v3 02/10] genetlink: make genl_info->nlhdr const

struct netlink_callback has a const nlh pointer, make the
pointer in struct genl_info const as well, to make copying
between the two easier.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Reviewed-by: Jiri Pirko <jiri@...dia.com>
---
CC: sam@...dozajonas.com
---
 include/net/genetlink.h | 2 +-
 net/ncsi/ncsi-netlink.c | 2 +-
 net/ncsi/ncsi-netlink.h | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index ed4622dd4828..0366d0925596 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -104,7 +104,7 @@ struct genl_family {
 struct genl_info {
 	u32			snd_seq;
 	u32			snd_portid;
-	struct nlmsghdr *	nlhdr;
+	const struct nlmsghdr *	nlhdr;
 	struct genlmsghdr *	genlhdr;
 	void *			userhdr;
 	struct nlattr **	attrs;
diff --git a/net/ncsi/ncsi-netlink.c b/net/ncsi/ncsi-netlink.c
index d27f4eccce6d..a3a6753a1db7 100644
--- a/net/ncsi/ncsi-netlink.c
+++ b/net/ncsi/ncsi-netlink.c
@@ -563,7 +563,7 @@ int ncsi_send_netlink_timeout(struct ncsi_request *nr,
 int ncsi_send_netlink_err(struct net_device *dev,
 			  u32 snd_seq,
 			  u32 snd_portid,
-			  struct nlmsghdr *nlhdr,
+			  const struct nlmsghdr *nlhdr,
 			  int err)
 {
 	struct nlmsghdr *nlh;
diff --git a/net/ncsi/ncsi-netlink.h b/net/ncsi/ncsi-netlink.h
index 39a1a9d7bf77..747767ea0aae 100644
--- a/net/ncsi/ncsi-netlink.h
+++ b/net/ncsi/ncsi-netlink.h
@@ -19,7 +19,7 @@ int ncsi_send_netlink_timeout(struct ncsi_request *nr,
 int ncsi_send_netlink_err(struct net_device *dev,
 			  u32 snd_seq,
 			  u32 snd_portid,
-			  struct nlmsghdr *nlhdr,
+			  const struct nlmsghdr *nlhdr,
 			  int err);
 
 #endif /* __NCSI_NETLINK_H__ */
-- 
2.41.0