On 30/10/2020 01.40, Chen Qun wrote:
> When using -Wimplicit-fallthrough in our CFLAGS, the compiler showed warning:
> hw/ppc/ppc.c: In function ‘ppc6xx_set_irq’:
> hw/ppc/ppc.c:118:16: warning: this statement may fall through
> [-Wimplicit-fallthrough=]
> 118 | if (level) {
> | ^
> hw/ppc/ppc.c:123:9: note: here
> 123 | case PPC6xx_INPUT_INT:
> | ^~~~
>
> According to the discussion, a break statement needs to be added here.
>
> Reported-by: Euler Robot <euler.ro...@huawei.com>
> Signed-off-by: Chen Qun <kuhn.chen...@huawei.com>
> ---
> v1->v2: Add a "break" statement here instead of /* fall through */ comments
> (Base on Thomas's and David review).
>
> Cc: Thomas Huth <th...@redhat.com>
> Cc: David Gibson <da...@gibson.dropbear.id.au>
> ---
> hw/ppc/ppc.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c
> index 4a11fb1640..1b98272076 100644
> --- a/hw/ppc/ppc.c
> +++ b/hw/ppc/ppc.c
> @@ -120,6 +120,7 @@ static void ppc6xx_set_irq(void *opaque, int pin, int
> level)
> } else {
> cpu_ppc_tb_stop(env);
> }
> + break;
> case PPC6xx_INPUT_INT:
> /* Level sensitive - active high */
> LOG_IRQ("%s: set the external IRQ state to %d\n",
>
Reviewed-by: Thomas Huth <th...@redhat.com>
