From 911b0ad25d167fede6aadc05065b414ec7ab5086 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Sat, 4 Feb 2006 23:28:05 -0800
Subject: [PATCH] Fix "value computed is not used" compile warnings with
 gcc-4.1

Fix gcc4.1 compile warnings "value computed is not used" with
set_current_state() and set_task_state() on i386/SMP and x86-64.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 include/asm-i386/system.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'include/asm-i386/system.h')

diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h
index 36a92ed6a9d..399145a247f 100644
--- a/include/asm-i386/system.h
+++ b/include/asm-i386/system.h
@@ -507,7 +507,7 @@ struct alt_instr {
 #define smp_rmb()	rmb()
 #define smp_wmb()	wmb()
 #define smp_read_barrier_depends()	read_barrier_depends()
-#define set_mb(var, value) do { xchg(&var, value); } while (0)
+#define set_mb(var, value) do { (void) xchg(&var, value); } while (0)
 #else
 #define smp_mb()	barrier()
 #define smp_rmb()	barrier()
-- 
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