From e8dfd42c17faf183415323db1ef0c977be0d6489 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 26 Apr 2024 15:19:52 +0000 Subject: ipv6: introduce dst_rt6_info() helper Instead of (struct rt6_info *)dst casts, we can use : #define dst_rt6_info(_ptr) \ container_of_const(_ptr, struct rt6_info, dst) Some places needed missing const qualifiers : ip6_confirm_neigh(), ipv6_anycast_destination(), ipv6_unicast_destination(), has_gateway() v2: added missing parts (David Ahern) Signed-off-by: Eric Dumazet Reviewed-by: David Ahern Signed-off-by: David S. Miller --- drivers/s390/net/qeth_core.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/s390/net') diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 613eab729704..5f17a2a5d0e3 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -956,7 +956,7 @@ static inline struct dst_entry *qeth_dst_check_rcu(struct sk_buff *skb, struct dst_entry *dst = skb_dst(skb); struct rt6_info *rt; - rt = (struct rt6_info *) dst; + rt = dst_rt6_info(dst); if (dst) { if (proto == htons(ETH_P_IPV6)) dst = dst_check(dst, rt6_get_cookie(rt)); @@ -978,7 +978,7 @@ static inline __be32 qeth_next_hop_v4_rcu(struct sk_buff *skb, static inline struct in6_addr *qeth_next_hop_v6_rcu(struct sk_buff *skb, struct dst_entry *dst) { - struct rt6_info *rt = (struct rt6_info *) dst; + struct rt6_info *rt = dst_rt6_info(dst); if (rt && !ipv6_addr_any(&rt->rt6i_gateway)) return &rt->rt6i_gateway; -- cgit v1.2.3