Re: [PATCH] nfs: remove incorrect fallthrough label

[Gustavo A. R. Silva]

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