In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warning: drivers/hid/wacom_wac.c: In function ‘wacom_setup_pen_input_capabilities’: drivers/hid/wacom_wac.c:3506:3: warning: this statement may fall through [-Wimplicit-fallthrough=] __clear_bit(ABS_MISC, input_dev->absbit); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/wacom_wac.c:3508:2: note: here case WACOM_MO: ^~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx> --- drivers/hid/wacom_wac.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 72477e872324..5ecda99bf431 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -3504,6 +3504,7 @@ int wacom_setup_pen_input_capabilities(struct input_dev *input_dev, switch (features->type) { case GRAPHIRE_BT: __clear_bit(ABS_MISC, input_dev->absbit); + /* fall through */ case WACOM_MO: case WACOM_G4: -- 2.20.1