xfrm: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of 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>

diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
index 8831f5a9e99233c8b1b19bd20705c5174f88530b..41de46b5ffa94a7bfa03d54919f54c36cbd03294 100644 (file)
--- a/net/xfrm/xfrm_interface.c
+++ b/net/xfrm/xfrm_interface.c
@@ -432,6 +432,7 @@ static int xfrmi4_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: