[PATCH] firewire: annotate implicit fall through

[Mathieu Malaterre]

There is a plan to build the kernel with -Wimplicit-fallthrough and
this place in the code produced a warning (W=1).

This commit remove the following warning:

  drivers/firewire/core-topology.c:69:23: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Mathieu Malaterre <malat@xxxxxxxxxx>
---
 drivers/firewire/core-topology.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c
index 7db234d3fbdd..82c67e900aad 100644
--- a/drivers/firewire/core-topology.c
+++ b/drivers/firewire/core-topology.c
@@ -67,6 +67,7 @@ static u32 *count_ports(u32 *sid, int *total_port_count, int *child_port_count)
 		switch (port_type) {
 		case SELFID_PORT_CHILD:
 			(*child_port_count)++;
+			/* fall through */
 		case SELFID_PORT_PARENT:
 		case SELFID_PORT_NCONN:
 			(*total_port_count)++;
-- 
2.19.2