In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through.
Notice that in this particular case I replaced "Fall" with a proper "fall through" comment, which is what GCC is expecting to find. Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com> --- Changes in v2: Place the "fall through" comment outside the unconditional code block. drivers/watchdog/pcwd_pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/watchdog/pcwd_pci.c b/drivers/watchdog/pcwd_pci.c index c0d07ee..1f78f09 100644 --- a/drivers/watchdog/pcwd_pci.c +++ b/drivers/watchdog/pcwd_pci.c @@ -545,8 +545,8 @@ static long pcipcwd_ioctl(struct file *file, unsigned int cmd, return -EINVAL; pcipcwd_keepalive(); - /* Fall */ } + /* fall through */ case WDIOC_GETTIMEOUT: return put_user(heartbeat, p); -- 2.7.4