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Message-ID: <20180706231542.GB3041@fury>
Date: Fri, 6 Jul 2018 16:15:42 -0700
From: Darren Hart <dvhart@...radead.org>
To: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc: "Lee, Chun-Yi" <jlee@...e.com>,
Andy Shevchenko <andy@...radead.org>,
platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] platform/x86: acer-wmi: mark expected switch
fall-throughs
On Thu, Jul 05, 2018 at 03:42:21PM -0500, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
>
> Warning level 2 was used: -Wimplicit-fallthrough=2
>
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> ---
> drivers/platform/x86/acer-wmi.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
> index 8952173..114b028 100644
> --- a/drivers/platform/x86/acer-wmi.c
> +++ b/drivers/platform/x86/acer-wmi.c
> @@ -1018,6 +1018,7 @@ static acpi_status WMID_get_u32(u32 *value, u32 cap)
> *value = tmp & 0x1;
> return 0;
> }
> + /* else: fall through */
> default:
> return AE_ERROR;
> }
> @@ -1344,6 +1345,7 @@ static acpi_status get_u32(u32 *value, u32 cap)
> status = AMW0_get_u32(value, cap);
> break;
> }
> + /* else: fall through */
> case ACER_WMID:
> status = WMID_get_u32(value, cap);
> break;
> @@ -1386,6 +1388,7 @@ static acpi_status set_u32(u32 value, u32 cap)
>
> return AMW0_set_u32(value, cap);
> }
> + /* else: fall through */
I suspect you are correct, bu these last two weren't obviously intentional to
me. Has this seen any testing?
--
Darren Hart
VMware Open Source Technology Center
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