linux-kernel - [PATCH 2/3] um: elf.h: fix W=1 warning for empty body in 'do' statement

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Message-Id: <20210414064350.3923-3-rdunlap@infradead.org>
Date:   Tue, 13 Apr 2021 23:43:49 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Jeff Dike <jdike@...toit.com>,
        Richard Weinberger <richard@....at>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        linux-um@...ts.infradead.org
Subject: [PATCH 2/3] um: elf.h: fix W=1 warning for empty body in 'do' statement

Use the common kernel style to eliminate a warning:

./arch/x86/um/asm/elf.h:215:32: warning: suggest braces around empty body in ‘do’ statement [-Wempty-body]
 #define SET_PERSONALITY(ex) do ; while(0)
                                ^

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Jeff Dike <jdike@...toit.com>
Cc: Richard Weinberger <richard@....at>
Cc: Anton Ivanov <anton.ivanov@...bridgegreys.com>
Cc: linux-um@...ts.infradead.org
---
 arch/x86/um/asm/elf.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20210413.orig/arch/x86/um/asm/elf.h
+++ linux-next-20210413/arch/x86/um/asm/elf.h
@@ -212,6 +212,6 @@ extern int elf_core_copy_fpregs(struct t
 extern long elf_aux_hwcap;
 #define ELF_HWCAP (elf_aux_hwcap)
 
-#define SET_PERSONALITY(ex) do ; while(0)
+#define SET_PERSONALITY(ex) do {} while(0)
 
 #endif