linux-kernel - [PATCH] x86: remove impossible test in mtrr/main.c

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Date:	Thu, 25 Dec 2008 17:18:43 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org, Yinghai Lu <yinghai@...nel.org>
Subject: [PATCH] x86: remove impossible test in mtrr/main.c

Impact: cleanup

enable_mtrr_cleanup is static, and is never set to anything but 0 or 1.

Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>

diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -823,16 +823,14 @@ static int enable_mtrr_cleanup __initdat
 
 static int __init disable_mtrr_cleanup_setup(char *str)
 {
-	if (enable_mtrr_cleanup != -1)
-		enable_mtrr_cleanup = 0;
+	enable_mtrr_cleanup = 0;
 	return 0;
 }
 early_param("disable_mtrr_cleanup", disable_mtrr_cleanup_setup);
 
 static int __init enable_mtrr_cleanup_setup(char *str)
 {
-	if (enable_mtrr_cleanup != -1)
-		enable_mtrr_cleanup = 1;
+	enable_mtrr_cleanup = 1;
 	return 0;
 }
 early_param("enable_mtrr_cleanup", enable_mtrr_cleanup_setup);
--
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