lib: hashing functions should take const arguments

[mirror_frr.git] / pimd / pim_igmp.c

diff --git a/pimd/pim_igmp.c b/pimd/pim_igmp.c
index cdd156b96fa331b428748bce2b71499a93300a16..213ca48bb502efd8b74245985c6b791a3530ea73 100644 (file)
--- a/pimd/pim_igmp.c
+++ b/pimd/pim_igmp.c
@@ -829,9 +829,9 @@ void igmp_sock_delete_all(struct interface *ifp)
        }
 }
 
-static unsigned int igmp_group_hash_key(void *arg)
+static unsigned int igmp_group_hash_key(const void *arg)
 {
-       struct igmp_group *group = (struct igmp_group *)arg;
+       const struct igmp_group *group = arg;
 
        return jhash_1word(group->group_addr.s_addr, 0);
 }