In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com>
---
This code was tested by compilation only (GCC 7.2.0 was used).
Please, verify if the actual intention of the code is to fall through.

 net/rose/rose_in.c    | 1 +
 net/rose/rose_route.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/net/rose/rose_in.c b/net/rose/rose_in.c
index 0a63947..9bbbfe3 100644
--- a/net/rose/rose_in.c
+++ b/net/rose/rose_in.c
@@ -219,6 +219,7 @@ static int rose_state4_machine(struct sock *sk, struct 
sk_buff *skb, int framety
        switch (frametype) {
        case ROSE_RESET_REQUEST:
                rose_write_internal(sk, ROSE_RESET_CONFIRMATION);
+               /* fall through */
        case ROSE_RESET_CONFIRMATION:
                rose_stop_timer(sk);
                rose_start_idletimer(sk);
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index 452bbb3..ac0f733 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -346,6 +346,7 @@ static int rose_del_node(struct rose_route_struct 
*rose_route,
                                case 0:
                                        rose_node->neighbour[0] =
                                                rose_node->neighbour[1];
+                                       /* fall through */
                                case 1:
                                        rose_node->neighbour[1] =
                                                rose_node->neighbour[2];
@@ -507,6 +508,7 @@ void rose_rt_device_down(struct net_device *dev)
                                switch (i) {
                                case 0:
                                        t->neighbour[0] = t->neighbour[1];
+                                       /* fall through */
                                case 1:
                                        t->neighbour[1] = t->neighbour[2];
                                case 2:
-- 
2.7.4

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