firewire: core: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a fallthrough pseudo-keyword.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>

diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c
index ec68ed27b0a5f5c72091ea5ae56c5b74088672f2..b63d55f5ebd336c37c1bd0f3de9643be5b891ad5 100644 (file)
--- a/drivers/firewire/core-topology.c
+++ b/drivers/firewire/core-topology.c
@@ -58,6 +58,7 @@ static u32 *count_ports(u32 *sid, int *total_port_count, int *child_port_count)
                case SELFID_PORT_PARENT:
                case SELFID_PORT_NCONN:
                        (*total_port_count)++;
+                       fallthrough;
                case SELFID_PORT_NONE:
                        break;
                }