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

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> On Apr 18, 2020, at 2:41 PM, Randy Dunlap <rdunlap@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx>
> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx>
> Cc: Chuck Lever <chuck.lever@xxxxxxxxxx>
> Cc: linux-nfs@xxxxxxxxxxxxxxx

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@xxxxxxxxxx>

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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