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

From: Sergei Shtylyov
Date: Sun Apr 19 2020 - 05:35:56 EST


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 âelseâ 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
---
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