From 4673402ebf9fc1712fb41cce6a808923481495f3 Mon Sep 17 00:00:00 2001 From: Corentin Labbe Date: Thu, 21 Nov 2019 08:14:45 +0000 Subject: ia64: agp: Replace empty define with do while MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit It's dangerous to use empty code define. Furthermore it lead to the following warning: drivers/char/agp/generic.c: In function « agp_generic_destroy_page »: drivers/char/agp/generic.c:1266:28: attention : suggest braces around empty body in an « if » statement [-Wempty-body] So let's replace emptyness by "do {} while(0)" Signed-off-by: Corentin Labbe Acked-by: Arnd Bergmann Signed-off-by: Dave Airlie Link: https://patchwork.freedesktop.org/patch/msgid/1574324085-4338-6-git-send-email-clabbe@baylibre.com --- arch/ia64/include/asm/agp.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/ia64/include/asm/agp.h b/arch/ia64/include/asm/agp.h index 2b451c4496da..0261507dc264 100644 --- a/arch/ia64/include/asm/agp.h +++ b/arch/ia64/include/asm/agp.h @@ -14,8 +14,8 @@ * in coherent mode, which lets us map the AGP memory as normal (write-back) memory * (unlike x86, where it gets mapped "write-coalescing"). */ -#define map_page_into_agp(page) /* nothing */ -#define unmap_page_from_agp(page) /* nothing */ +#define map_page_into_agp(page) do { } while (0) +#define unmap_page_from_agp(page) do { } while (0) #define flush_agp_cache() mb() /* GATT allocation. Returns/accepts GATT kernel virtual address. */ -- cgit v1.2.3