From mboxrd@z Thu Jan 1 00:00:00 1970 From: Darren Hart Subject: Re: [PATCH] platform/x86: acer-wmi: mark expected switch fall-throughs Date: Fri, 6 Jul 2018 16:15:42 -0700 Message-ID: <20180706231542.GB3041@fury> References: <20180705204221.GA11336@embeddedor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20180705204221.GA11336@embeddedor.com> Sender: linux-kernel-owner@vger.kernel.org To: "Gustavo A. R. Silva" Cc: "Lee, Chun-Yi" , Andy Shevchenko , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: platform-driver-x86.vger.kernel.org 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 > --- > 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