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Message-Id: <CDCF7717-7CBC-47CA-9E83-3A18ECB3AB89@oracle.com>
Date:   Sat, 18 Apr 2020 14:45:55 -0400
From:   Chuck Lever <chuck.lever@...cle.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-input@...r.kernel.org, Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, Bruce Fields <bfields@...ldses.org>,
        Linux NFS Mailing List <linux-nfs@...r.kernel.org>,
        Johannes Berg <johannes@...solutions.net>,
        Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>, linux-nvdimm@...ts.01.org,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
        Zzy Wysm <zzy@...wysm.com>
Subject: Re: [PATCH 6/9] nfsd: fix empty-body warning in nfs4state.c



> On Apr 18, 2020, at 2:41 PM, Randy Dunlap <rdunlap@...radead.org> 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@...radead.org>
> Cc: Linus Torvalds <torvalds@...ux-foundation.org>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: "J. Bruce Fields" <bfields@...ldses.org>
> Cc: Chuck Lever <chuck.lever@...cle.com>
> Cc: linux-nfs@...r.kernel.org

I have a patch in my queue that addresses this particular warning,
but your change works for me too.

Acked-by: Chuck Lever <chuck.lever@...cle.com>

Unless Bruce objects.


> ---
> 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
> @@ -34,6 +34,7 @@
> 
> #include <linux/file.h>
> #include <linux/fs.h>
> +#include <linux/kernel.h>
> #include <linux/slab.h>
> #include <linux/namei.h>
> #include <linux/swap.h>
> @@ -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();
> 	new->cl_minorversion = 0;
> 	gen_callback(new, setclid, rqstp);
> 	add_to_unconfirmed(new);

--
Chuck Lever



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