On 9/15/20 18:51, Gustavo A. R. Silva wrote: > > > 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. Actually, this is part of the work I plan to do to enable -Wimplicit-fallthrough for Clang: audit every place where we could use a break instead of a fallthrough. I'm on vacation this week. So, I'll get back to this next week. Thanks -- Gustavo