[PATCH 2/9] fs: fix empty-body warning in posix_acl.c

From: Randy Dunlap
Date: Sat Apr 18 2020 - 14:41:48 EST


Fix gcc empty-body warning when -Wextra is used:

../fs/posix_acl.c: In function âget_aclâ:
../fs/posix_acl.c:127:22: warning: suggest braces around empty body in an âifâ statement [-Wempty-body]
/* fall through */ ;
^

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: linux-fsdevel@xxxxxxxxxxxxxxx
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/posix_acl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20200327.orig/fs/posix_acl.c
+++ linux-next-20200327/fs/posix_acl.c
@@ -124,7 +124,7 @@ struct posix_acl *get_acl(struct inode *
* be an unlikely race.)
*/
if (cmpxchg(p, ACL_NOT_CACHED, sentinel) != ACL_NOT_CACHED)
- /* fall through */ ;
+ do_empty(); /* fall through */

/*
* Normally, the ACL returned by ->get_acl will be cached.