[PATCH 011/141] ipv4: Fix fall-through warnings for Clang
From: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Date: 2020-11-20 18:26:32
Also in:
linux-hardening, lkml
Subsystem:
networking [general], networking [ipsec], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Steffen Klassert, Herbert Xu, David Ahern, Ido Schimmel, Linus Torvalds
In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple warnings by explicitly adding multiple break statements instead of just letting the code fall through to the next case. Link: https://github.com/KSPP/linux/issues/115 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- net/ipv4/ah4.c | 1 + net/ipv4/esp4.c | 1 + net/ipv4/fib_semantics.c | 1 + net/ipv4/ip_vti.c | 1 + net/ipv4/ipcomp.c | 1 + 5 files changed, 5 insertions(+)
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index d99e1be94019..18d451414601 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c@@ -450,6 +450,7 @@ static int ah4_err(struct sk_buff *skb, u32 info) case ICMP_DEST_UNREACH: if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return 0; + break; case ICMP_REDIRECT: break; default:
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 8b07f3a4f2db..a12ef89e8520 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c@@ -987,6 +987,7 @@ static int esp4_err(struct sk_buff *skb, u32 info) case ICMP_DEST_UNREACH: if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return 0; + break; case ICMP_REDIRECT: break; default:
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 1f75dc686b6b..647a67516b80 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c@@ -1872,6 +1872,7 @@ static int call_fib_nh_notifiers(struct fib_nh *nh, (nh->fib_nh_flags & RTNH_F_DEAD)) return call_fib4_notifiers(dev_net(nh->fib_nh_dev), event_type, &info.info); + break; default: break; }
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index b957cbee2cf7..60e0311ec51f 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c@@ -349,6 +349,7 @@ static int vti4_err(struct sk_buff *skb, u32 info) case ICMP_DEST_UNREACH: if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return 0; + break; case ICMP_REDIRECT: break; default:
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index b42683212c65..bbb56f5e06dd 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c@@ -31,6 +31,7 @@ static int ipcomp4_err(struct sk_buff *skb, u32 info) case ICMP_DEST_UNREACH: if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return 0; + break; case ICMP_REDIRECT: break; default:
--
2.27.0