From cc07eeb0e5ee18895241460bdccf91a4952731f9 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 27 Mar 2018 11:53:06 +0200 Subject: netfilter: nf_tables: nft_register_chain_type() returns void Use WARN_ON() instead since it should not happen that neither family goes over NFPROTO_NUMPROTO nor there is already a chain of this type already registered. Signed-off-by: Pablo Neira Ayuso --- net/ipv4/netfilter/nf_tables_arp.c | 4 +++- net/ipv4/netfilter/nf_tables_ipv4.c | 4 +++- net/ipv4/netfilter/nft_chain_nat_ipv4.c | 6 +----- net/ipv4/netfilter/nft_chain_route_ipv4.c | 4 +++- 4 files changed, 10 insertions(+), 8 deletions(-) (limited to 'net/ipv4') diff --git a/net/ipv4/netfilter/nf_tables_arp.c b/net/ipv4/netfilter/nf_tables_arp.c index 5b0be2a10b69..c2ee64208743 100644 --- a/net/ipv4/netfilter/nf_tables_arp.c +++ b/net/ipv4/netfilter/nf_tables_arp.c @@ -42,7 +42,9 @@ static const struct nft_chain_type filter_arp = { static int __init nf_tables_arp_init(void) { - return nft_register_chain_type(&filter_arp); + nft_register_chain_type(&filter_arp); + + return 0; } static void __exit nf_tables_arp_exit(void) diff --git a/net/ipv4/netfilter/nf_tables_ipv4.c b/net/ipv4/netfilter/nf_tables_ipv4.c index 13bae5cfa257..c09667de0d68 100644 --- a/net/ipv4/netfilter/nf_tables_ipv4.c +++ b/net/ipv4/netfilter/nf_tables_ipv4.c @@ -51,7 +51,9 @@ static const struct nft_chain_type filter_ipv4 = { static int __init nf_tables_ipv4_init(void) { - return nft_register_chain_type(&filter_ipv4); + nft_register_chain_type(&filter_ipv4); + + return 0; } static void __exit nf_tables_ipv4_exit(void) diff --git a/net/ipv4/netfilter/nft_chain_nat_ipv4.c b/net/ipv4/netfilter/nft_chain_nat_ipv4.c index 167f377eb1cb..9864f5b3279c 100644 --- a/net/ipv4/netfilter/nft_chain_nat_ipv4.c +++ b/net/ipv4/netfilter/nft_chain_nat_ipv4.c @@ -86,11 +86,7 @@ static const struct nft_chain_type nft_chain_nat_ipv4 = { static int __init nft_chain_nat_init(void) { - int err; - - err = nft_register_chain_type(&nft_chain_nat_ipv4); - if (err < 0) - return err; + nft_register_chain_type(&nft_chain_nat_ipv4); return 0; } diff --git a/net/ipv4/netfilter/nft_chain_route_ipv4.c b/net/ipv4/netfilter/nft_chain_route_ipv4.c index 48cf1f892314..7d82934c46f4 100644 --- a/net/ipv4/netfilter/nft_chain_route_ipv4.c +++ b/net/ipv4/netfilter/nft_chain_route_ipv4.c @@ -71,7 +71,9 @@ static const struct nft_chain_type nft_chain_route_ipv4 = { static int __init nft_chain_route_init(void) { - return nft_register_chain_type(&nft_chain_route_ipv4); + nft_register_chain_type(&nft_chain_route_ipv4); + + return 0; } static void __exit nft_chain_route_exit(void) -- cgit v1.2.3