Commit 79121184 authored Nov 20, 2020 by Gustavo A. R. Silva

ipv4: Fix fall-through warnings for Clang

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>

parent d66aea44

net/ipv4/ah4.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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:

net/ipv4/esp4.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -982,6 +982,7 @@ 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:

net/ipv4/fib_semantics.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1874,6 +1874,7 @@ 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;
		}

net/ipv4/ip_vti.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -351,6 +351,7 @@ 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:

net/ipv4/ipcomp.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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: