From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Joe Perches <joe@perches.com>,
Nick Desaulniers <ndesaulniers@google.com>,
Trond Myklebust <trond.myklebust@hammerspace.com>,
Anna Schumaker <anna.schumaker@netapp.com>
Cc: Nathan Chancellor <natechancellor@gmail.com>,
Miaohe Lin <linmiaohe@huawei.com>,
Hongxiang Lou <louhongxiang@huawei.com>,
linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org,
clang-built-linux@googlegroups.com
Subject: Re: [PATCH] nfs: remove incorrect fallthrough label
Date: Tue, 15 Sep 2020 18:51:41 -0500 [thread overview]
Message-ID: <55f1ff08-fc3c-62ed-429d-c9ae285a3a49@embeddedor.com> (raw)
In-Reply-To: <9441ed0f247d0cac6e85f3847e1b4c32a199dd8f.camel@perches.com>
On 9/15/20 18:29, Joe Perches wrote:
> On Tue, 2020-09-15 at 15:57 -0700, Nick Desaulniers wrote:
>> There is no case after the default from which to fallthrough to. Clang
>> will error in this case (unhelpfully without context, see link below)
>> and GCC will with -Wswitch-unreachable.
>>
>> The previous commit should have just removed the comment.
> []
>> diff --git a/fs/nfs/super.c b/fs/nfs/super.c
> []
>> @@ -889,7 +889,6 @@ static struct nfs_server *nfs_try_mount_request(struct fs_context *fc)
>> default:
>> if (rpcauth_get_gssinfo(flavor, &info) != 0)
>> continue;
>> - fallthrough;
>
> My preference would be to convert the fallthrough
> to a break here so if someone ever adds another
> label after default: for any reason, the code would
> still work as expected.
I agree with Joe.
Thanks
--
Gustavo
next prev parent reply other threads:[~2020-09-16 0:08 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-15 22:57 [PATCH] nfs: remove incorrect fallthrough label Nick Desaulniers
2020-09-15 23:29 ` Joe Perches
2020-09-15 23:51 ` Gustavo A. R. Silva [this message]
2020-09-16 0:01 ` Gustavo A. R. Silva
2020-09-16 0:33 ` Joe Perches
2020-09-16 20:02 ` [PATCH v2] " Nick Desaulniers
2020-09-16 20:18 ` Gustavo A. R. Silva
2020-09-16 20:19 ` Joe Perches
2020-09-17 21:41 ` Nick Desaulniers
2020-09-18 1:36 ` Joe Perches
2020-09-17 21:45 ` [PATCH v3] " Nick Desaulniers
2020-09-24 17:19 ` Nick Desaulniers
2020-09-24 17:40 ` Joe Perches
2020-09-24 18:07 ` Joe Perches
2020-09-24 18:11 ` Anna Schumaker
2020-09-25 11:27 ` Mark Brown
2020-09-24 18:08 ` Gustavo A. R. Silva
2020-09-17 4:35 ` [PATCH v2] " Nathan Chancellor
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