[net-next,03/19] ipmr: change igmpmsg_netlink_event() prototype

Commit Message

Eric Dumazet June 22, 2022, 5:12 a.m. UTC

igmpmsg_netlink_event() first argument can be marked const.

igmpmsg_netlink_event() reads mrt->net and mrt->id,
both being set once in mr_table_alloc().

Signed-off-by: Eric Dumazet <[e-mail]>
---
 net/ipv4/ipmr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 10371a9e78fc41e8562fa8d81222a8ae24e2fbb6..6710324497cae3bbc2fcdd12d6e1d44eed5215b3 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -110,7 +110,7 @@  static int ipmr_cache_report(struct mr_table *mrt,
 			     struct sk_buff *pkt, vifi_t vifi, int assert);
 static void mroute_netlink_event(struct mr_table *mrt, struct mfc_cache *mfc,
 				 int cmd);
-static void igmpmsg_netlink_event(struct mr_table *mrt, struct sk_buff *pkt);
+static void igmpmsg_netlink_event(const struct mr_table *mrt, struct sk_buff *pkt);
 static void mroute_clean_tables(struct mr_table *mrt, int flags);
 static void ipmr_expire_process(struct timer_list *t);
 
@@ -2410,7 +2410,7 @@  static size_t igmpmsg_netlink_msgsize(size_t payloadlen)
 	return len;
 }
 
-static void igmpmsg_netlink_event(struct mr_table *mrt, struct sk_buff *pkt)
+static void igmpmsg_netlink_event(const struct mr_table *mrt, struct sk_buff *pkt)
 {
 	struct net *net = read_pnet(&mrt->net);
 	struct nlmsghdr *nlh;