Re: [PATCH 060/141] habanalabs: Fix fall-through warnings for Clang

From: Oded Gabbay
Date: Sat Nov 21 2020 - 07:36:24 EST


On Fri, Nov 20, 2020 at 8:33 PM Gustavo A. R. Silva
<gustavoars@xxxxxxxxxx> wrote:
>
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> by explicitly adding a fallthrough pseudo-keyword instead of letting the
> code fall through to the next case.
>
> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
> ---
> drivers/misc/habanalabs/gaudi/gaudi.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
> index 2519a34e25b7..eab4c0dc65c5 100644
> --- a/drivers/misc/habanalabs/gaudi/gaudi.c
> +++ b/drivers/misc/habanalabs/gaudi/gaudi.c
> @@ -5436,6 +5436,7 @@ static void gaudi_handle_ecc_event(struct hl_device *hdev, u16 event_type,
> params.num_memories = 33;
> params.derr = true;
> params.disable_clock_gating = true;
> + fallthrough;
> default:
> return;
> }
> --
> 2.27.0
>
Hi Gustavo,
So this is actually an error in the code, there shouldn't be a
fallthrough there.
So NAK for this patch, I'll have to send a fix for that.
Thanks for catching this :)

Oded