decnet: 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>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 2193ae529e752623123dfbbaeb19f6962ec4d64e..37c90c1fdc9384dd5dbbd9fa1252439284fea605 100644 (file)
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1407,7 +1407,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
                        flags |= RTCF_DOREDIRECT;
 
                local_src = DN_FIB_RES_PREFSRC(res);
-
+               break;
        case RTN_BLACKHOLE:
        case RTN_UNREACHABLE:
                break;