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From: Randy Dunlap <rdunlap@infradead.org>
To: linux-kernel@vger.kernel.org
Cc: Randy Dunlap <rdunlap@infradead.org>,
	Richard Henderson <rth@twiddle.net>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	linux-alpha@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	David Airlie <airlied@linux.ie>
Subject: [PATCH] alpha: agp: make empty macros use do-while-0 style
Date: Sun,  8 Aug 2021 20:08:22 -0700	[thread overview]
Message-ID: <20210809030822.20658-1-rdunlap@infradead.org> (raw)

Copy these macros from ia64/include/asm/agp.h to avoid the
"empty-body" in 'if' statment warning.

drivers/char/agp/generic.c: In function 'agp_generic_destroy_page':
../drivers/char/agp/generic.c:1265:42: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
 1265 |                 unmap_page_from_agp(page);

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: David Airlie <airlied@linux.ie>
---
 arch/alpha/include/asm/agp.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- linux-next-20210806.orig/arch/alpha/include/asm/agp.h
+++ linux-next-20210806/arch/alpha/include/asm/agp.h
@@ -6,8 +6,8 @@
 
 /* dummy for now */
 
-#define map_page_into_agp(page) 
-#define unmap_page_from_agp(page) 
+#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. */

                 reply	other threads:[~2021-08-09  3:08 UTC|newest]

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