From: "Gustavo A. R. Silva" <garsilva@xxxxxxxxxxxxxx>
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
net/netfilter/ipset/ip_set_core.c | 2 +-
net/netfilter/ipvs/ip_vs_proto_tcp.c | 1 +
net/netfilter/ipvs/ip_vs_proto_udp.c | 1 +
net/netfilter/nf_conntrack_h323_asn1.c | 3 +++
net/netfilter/nft_cmp.c | 2 ++
net/netfilter/x_tables.c | 2 +-
6 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index cf84f7b37cd9..d5a43cad90f0 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -1386,7 +1386,7 @@ ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb)
goto next_set;
if (set->variant->uref)
set->variant->uref(set, cb, true);
- /* Fall through and add elements */
+ /* fall through */
default:
rcu_read_lock_bh();
ret = set->variant->list(set, skb, cb);
diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c
index 121a321b91be..bcd9b7bde4ee 100644
--- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
@@ -315,6 +315,7 @@ tcp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp)
switch (skb->ip_summed) {
case CHECKSUM_NONE:
skb->csum = skb_checksum(skb, tcphoff, skb->len - tcphoff, 0);
+ /* fall through */
case CHECKSUM_COMPLETE:
#ifdef CONFIG_IP_VS_IPV6
if (af == AF_INET6) {
diff --git a/net/netfilter/ipvs/ip_vs_proto_udp.c b/net/netfilter/ipvs/ip_vs_proto_udp.c
index 30e11cd6aa8a..c15ef7c2a1fa 100644
--- a/net/netfilter/ipvs/ip_vs_proto_udp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_udp.c
@@ -319,6 +319,7 @@ udp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp)
case CHECKSUM_NONE:
skb->csum = skb_checksum(skb, udphoff,
skb->len - udphoff, 0);
+ /* fall through */
case CHECKSUM_COMPLETE:
#ifdef CONFIG_IP_VS_IPV6
if (af == AF_INET6) {
diff --git a/net/netfilter/nf_conntrack_h323_asn1.c b/net/netfilter/nf_conntrack_h323_asn1.c
index dc6347342e34..38cf5e4f30bd 100644
--- a/net/netfilter/nf_conntrack_h323_asn1.c
+++ b/net/netfilter/nf_conntrack_h323_asn1.c
@@ -262,12 +262,15 @@ static unsigned int get_uint(struct bitstr *bs, int b)
case 4:
v |= *bs->cur++;
v <<= 8;
+ /* fall through */
case 3:
v |= *bs->cur++;
v <<= 8;
+ /* fall through */
case 2:
v |= *bs->cur++;
v <<= 8;
+ /* fall through */
case 1:
v |= *bs->cur++;
break;
diff --git a/net/netfilter/nft_cmp.c b/net/netfilter/nft_cmp.c
index c2945eb3397c..fa90a8402845 100644
--- a/net/netfilter/nft_cmp.c
+++ b/net/netfilter/nft_cmp.c
@@ -44,6 +44,7 @@ static void nft_cmp_eval(const struct nft_expr *expr,
case NFT_CMP_LT:
if (d == 0)
goto mismatch;
+ /* fall through */
case NFT_CMP_LTE:
if (d > 0)
goto mismatch;
@@ -51,6 +52,7 @@ static void nft_cmp_eval(const struct nft_expr *expr,
case NFT_CMP_GT:
if (d == 0)
goto mismatch;
+ /* fall through */
case NFT_CMP_GTE:
if (d < 0)
goto mismatch;
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 55802e97f906..0d9efc3cb451 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -1397,7 +1397,7 @@ static void *xt_mttg_seq_next(struct seq_file *seq, void *v, loff_t *ppos,
trav->curr = trav->curr->next;
if (trav->curr != trav->head)
break;
- /* fallthru, _stop will unlock */
+ /* fall through */
default:
return NULL;
}
--
2.11.0
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