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From: Denis Efremov <efremov@linux.com>
To: "Gustavo A. R. Silva" <gustavo@embeddedor.com>,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-hardening@vger.kernel.org
Subject: Re: [PATCH 032/141] floppy: Fix fall-through warnings for Clang
Date: Tue, 20 Apr 2021 23:34:19 +0300	[thread overview]
Message-ID: <46d619c5-3b79-ad2a-196e-2b9180cbed82@linux.com> (raw)
In-Reply-To: <2599e39d-faec-01fc-e835-16a5c96082d6@embeddedor.com>

Hi,

Sorry, this was missed somehow.

I would rewrite it to something more simple instead of adding fallthrough.

What about?

--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -2123,12 +2123,14 @@ static void set_floppy(int drive)
 static void format_interrupt(void)
 {
        switch (interpret_errors()) {
+       case 0:
+               cont->done(1);
+               break;
        case 1:
                cont->error();
+               break;
        case 2:
                break;
-       case 0:
-               cont->done(1);
        }
        cont->redo();
 }

On 4/20/21 11:25 PM, Gustavo A. R. Silva wrote:
> Hi all,
> 
> Friendly ping: who can take this, please?
> 
> Thanks
> --
> Gustavo
> 
> On 11/20/20 12:28, Gustavo A. R. Silva wrote:
>> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
>> by explicitly adding a fallthrough pseudo-keyword in places where the
>> code is intended to fall through to the next case.
>>
>> Link: https://github.com/KSPP/linux/issues/115
>> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
>> ---
>>  drivers/block/floppy.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
>> index 7df79ae6b0a1..21a2a7becba0 100644
>> --- a/drivers/block/floppy.c
>> +++ b/drivers/block/floppy.c
>> @@ -2124,6 +2124,7 @@ static void format_interrupt(void)
>>  	switch (interpret_errors()) {
>>  	case 1:
>>  		cont->error();
>> +		fallthrough;
>>  	case 2:
>>  		break;
>>  	case 0:
>>

  parent reply	other threads:[~2021-04-20 20:34 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-20 18:21 [PATCH 000/141] Fix fall-through warnings for Clang Gustavo A. R. Silva
2020-11-20 18:28 ` [PATCH 027/141] drbd: " Gustavo A. R. Silva
2021-04-20 20:25   ` Gustavo A. R. Silva
2021-04-20 21:23     ` Jens Axboe
2021-04-20 22:17       ` Gustavo A. R. Silva
2020-11-20 18:28 ` [PATCH 032/141] floppy: " Gustavo A. R. Silva
2021-04-20 20:25   ` Gustavo A. R. Silva
2021-04-20 20:30     ` Jens Axboe
2021-04-20 20:37       ` Gustavo A. R. Silva
2021-04-20 20:34     ` Denis Efremov [this message]
2020-11-20 18:28 ` [PATCH 000/141] " Joe Perches
2020-11-20 19:02   ` Gustavo A. R. Silva
2020-11-20 18:32 ` [PATCH 058/141] xen-blkfront: " Gustavo A. R. Silva
2020-11-20 21:36   ` boris.ostrovsky
2020-11-23 22:53     ` Gustavo A. R. Silva
2020-11-23 10:28   ` Roger Pau Monné
2020-12-16  7:02   ` Jürgen Groß
2020-11-20 18:53 ` [PATCH 000/141] " Jakub Kicinski
2020-11-20 19:04   ` Gustavo A. R. Silva
2020-11-20 19:30   ` Kees Cook
2020-11-20 19:51     ` Jakub Kicinski
2020-11-20 20:48       ` Kees Cook
2020-11-22 16:17       ` Kees Cook
2020-11-22 18:21         ` James Bottomley
2020-11-22 18:25           ` Joe Perches
2020-11-22 19:12             ` James Bottomley
2020-11-22 19:22               ` Joe Perches
2020-11-22 19:53                 ` James Bottomley
2020-11-23 13:03                   ` [Intel-wired-lan] " Gustavo A. R. Silva
2020-11-23 16:31                     ` James Bottomley
2020-11-24 21:32                       ` Kees Cook
2020-11-24 22:24                         ` Finn Thain
2020-11-24 23:15                           ` Miguel Ojeda
2020-11-24 23:53                             ` Finn Thain
2020-11-25  1:05                               ` Miguel Ojeda
2020-11-25  7:05                         ` James Bottomley
2020-11-25 12:24                           ` Nick Desaulniers
2020-11-25 21:33                             ` Finn Thain
2020-11-25 22:09                               ` Nick Desaulniers
2020-11-25 23:21                                 ` Finn Thain
2020-11-26  0:30                                 ` Finn Thain
     [not found]                             ` <20201125082405.1d8c23dc@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
2020-11-25 17:04                               ` Miguel Ojeda
2020-11-25 22:09                               ` Nick Desaulniers
2020-11-25 21:10                           ` Kees Cook
2020-11-22 20:35           ` Miguel Ojeda
2020-11-22 22:36             ` James Bottomley
2020-11-23 14:19               ` Miguel Ojeda
2020-11-23 15:58                 ` James Bottomley
2020-11-23 16:24                   ` Rafael J. Wysocki
2020-11-23 16:32                   ` Joe Perches
2020-11-23 18:56                   ` Miguel Ojeda
2020-11-23 20:37                     ` James Bottomley
2020-11-25  0:32                       ` Miguel Ojeda
2020-11-25 22:44                         ` Edward Cree
2020-11-26 14:53                           ` Miguel Ojeda
2020-11-26 15:28                             ` Geert Uytterhoeven
2020-11-26 16:18                               ` Karol Herbst
2020-11-26 17:05                               ` Miguel Ojeda
2020-11-25 10:38                       ` Andy Shevchenko
2020-11-25  9:01                   ` Sean Young
2020-11-22 22:54             ` Finn Thain
2020-11-22 23:04               ` James Bottomley
2020-11-23 14:05               ` Miguel Ojeda
2020-11-24  0:58                 ` Finn Thain
2020-11-24  1:05                   ` Joe Perches
2020-11-24  2:48                     ` Finn Thain
2020-11-24 23:46                   ` Miguel Ojeda
2020-11-22 22:10           ` Sam Ravnborg
2020-11-24  1:32         ` Nick Desaulniers
2020-11-24 21:25           ` Kees Cook
2020-11-25 23:02             ` Edward Cree
2020-12-01 14:08           ` Dan Carpenter
2020-12-01 14:04         ` Dan Carpenter
2020-11-20 22:21 ` Miguel Ojeda
2020-11-23 20:03 ` Jason Gunthorpe
2020-11-24 14:47   ` Gustavo A. R. Silva
     [not found] ` <160616392671.21180.16517492185091399884.b4-ty@kernel.org>
2020-11-24 14:47   ` Gustavo A. R. Silva
2020-12-01  5:52 ` Martin K. Petersen
2020-12-01  8:20   ` Gustavo A. R. Silva
2020-12-08  4:52 ` (subset) " Martin K. Petersen

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