[PATCH 6/9] nfsd: fix empty-body warning in nfs4state.c

[Sergei Shtylyov]

Hello!

On 18.04.2020 21:41, Randy Dunlap wrote:

> Fix gcc empty-body warning when -Wextra is used:
> 
> ../fs/nfsd/nfs4state.c:3898:3: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body]
> 
> Signed-off-by: Randy Dunlap <rdunlap at infradead.org>
> Cc: Linus Torvalds <torvalds at linux-foundation.org>
> Cc: Andrew Morton <akpm at linux-foundation.org>
> Cc: "J. Bruce Fields" <bfields at fieldses.org>
> Cc: Chuck Lever <chuck.lever at oracle.com>
> Cc: linux-nfs at vger.kernel.org
> ---
>   fs/nfsd/nfs4state.c |    3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> --- linux-next-20200417.orig/fs/nfsd/nfs4state.c
> +++ linux-next-20200417/fs/nfsd/nfs4state.c
[...]
> @@ -3895,7 +3896,7 @@ nfsd4_setclientid(struct svc_rqst *rqstp
>   		copy_clid(new, conf);
>   		gen_confirm(new, nn);
>   	} else /* case 4 (new client) or cases 2, 3 (client reboot): */
> -		;
> +		do_empty();

    In this case explicit {} would probably have been better, as described in 
Documentation/process/coding-style.rst, clause (3).

MBR, Sergei