From: Randy Dunlap <rdunlap@infradead.org>
To: Trond Myklebust <trondmy@hammerspace.com>,
"chuck.lever@oracle.com" <chuck.lever@oracle.com>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"zzy@zzywysm.com" <zzy@zzywysm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"bfields@fieldses.org" <bfields@fieldses.org>,
"target-devel@vger.kernel.org" <target-devel@vger.kernel.org>,
"dave.jiang@intel.com" <dave.jiang@intel.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>,
"vishal.l.verma@intel.com" <vishal.l.verma@intel.com>,
"linux-input@vger.kernel.org" <linux-input@vger.kernel.org>,
"viro@zeniv.linux.org.uk" <viro@zeniv.linux.org.uk>,
"dan.j.williams@intel.com" <dan.j.williams@intel.com>,
"johannes@sipsolutions.net" <johannes@sipsolutions.net>,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"dmitry.torokhov@gmail.com" <dmitry.torokhov@gmail.com>,
"tiwai@suse.com" <tiwai@suse.com>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>
Subject: Re: [PATCH 6/9] nfsd: fix empty-body warning in nfs4state.c
Date: Sat, 18 Apr 2020 15:32:05 -0700 [thread overview]
Message-ID: <c838fc1d-3973-9cd8-ecc6-8739af514dd0@infradead.org> (raw)
In-Reply-To: <d2e2f7967804446a825ec0ff61095e6640b5a968.camel@hammerspace.com>
On 4/18/20 3:28 PM, Trond Myklebust wrote:
> On Sat, 2020-04-18 at 14:45 -0400, Chuck Lever wrote:
>>> On Apr 18, 2020, at 2:41 PM, Randy Dunlap <rdunlap@infradead.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@infradead.org>
>>> Cc: Linus Torvalds <torvalds@linux-foundation.org>
>>> Cc: Andrew Morton <akpm@linux-foundation.org>
>>> Cc: "J. Bruce Fields" <bfields@fieldses.org>
>>> Cc: Chuck Lever <chuck.lever@oracle.com>
>>> Cc: linux-nfs@vger.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@oracle.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();
>
> Urgh... This is just for documentation purposes anyway, so why not just
> turn it all into a comment by moving the 'else' into the comment field?
>
> i.e.
> } /* else case 4 (.... */
>
> new->cl_minorversion = 0;
>>> gen_callback(new, setclid, rqstp);
>>> add_to_unconfirmed(new);
Like I said earlier, since Chuck has a patch that addresses this,
let's just go with that.
thanks.
--
~Randy
next prev parent reply other threads:[~2020-04-18 22:33 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-18 18:41 [RFC PATCH 0/9] fix -Wempty-body build warnings Randy Dunlap
2020-04-18 18:41 ` [RFC PATCH 1/9] kernel.h: add do_empty() macro Randy Dunlap
2020-04-18 18:44 ` Joe Perches
2020-04-18 18:49 ` Randy Dunlap
2020-04-18 22:20 ` Bart Van Assche
2020-04-18 22:24 ` Randy Dunlap
2020-04-18 18:41 ` [PATCH 2/9] fs: fix empty-body warning in posix_acl.c Randy Dunlap
2020-04-18 18:53 ` Linus Torvalds
2020-04-18 18:55 ` Randy Dunlap
2020-04-20 19:58 ` [PATCH 2/9] " Zzy Wysm
2020-04-18 18:41 ` [PATCH 3/9] input: fix empty-body warning in synaptics.c Randy Dunlap
2020-04-18 18:41 ` [PATCH 4/9] sound: fix empty-body warning in vx_core.c Randy Dunlap
2020-04-18 18:41 ` [PATCH 5/9] usb: fix empty-body warning in sysfs.c Randy Dunlap
2020-04-18 18:44 ` Matthew Wilcox
2020-04-18 18:46 ` Randy Dunlap
2020-04-18 19:54 ` Alan Stern
2020-04-21 1:20 ` NeilBrown
2020-04-21 13:58 ` Alan Stern
2020-04-18 18:41 ` [PATCH 6/9] nfsd: fix empty-body warning in nfs4state.c Randy Dunlap
2020-04-18 18:45 ` Chuck Lever
2020-04-18 18:53 ` Joe Perches
2020-04-18 18:57 ` Randy Dunlap
2020-04-18 22:28 ` Trond Myklebust
2020-04-18 22:32 ` Randy Dunlap [this message]
2020-04-18 22:33 ` Chuck Lever
2020-04-19 9:32 ` Sergei Shtylyov
2020-04-18 18:41 ` [PATCH 7/9] drivers/base: fix empty-body warnings in devcoredump.c Randy Dunlap
2020-04-18 18:50 ` Matthew Wilcox
2020-04-18 18:53 ` Randy Dunlap
2020-04-18 18:55 ` Joe Perches
2020-04-18 19:13 ` Matthew Wilcox
2020-04-18 19:16 ` Johannes Berg
2020-04-18 19:15 ` Linus Torvalds
2020-04-19 12:03 ` Greg Kroah-Hartman
2020-04-19 6:02 ` Greg Kroah-Hartman
2020-04-19 6:04 ` Greg Kroah-Hartman
2020-04-18 18:41 ` [PATCH 8/9] dax: fix empty-body warnings in bus.c Randy Dunlap
2020-04-19 8:15 ` Christoph Hellwig
2020-04-18 18:41 ` [PATCH 9/9] target: fix empty-body warning in target_core_pscsi.c Randy Dunlap
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