From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Tue, 28 Jul 2009 21:55:09 +0000 (+0200)
Subject: x86, mce: fix "mce" boot option handling for CONFIG_X86_NEW_MCE
X-Git-Tag: firefly_0821_release~12931^2~9
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e3346fc48204d780f92527d06df8bf6f28d603ec;p=firefly-linux-kernel-4.4.55.git

x86, mce: fix "mce" boot option handling for CONFIG_X86_NEW_MCE

"mce argument mce ignored. Please use /sys" message shouldn't
be printed when using "mce" boot option.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Reviewed-by: Andi Kleen <andi@firstfloor.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---

diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 7bd19c7f5315..75919440a188 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1549,8 +1549,10 @@ static struct miscdevice mce_log_device = {
  */
 static int __init mcheck_enable(char *str)
 {
-	if (*str == 0)
+	if (*str == 0) {
 		enable_p5_mce();
+		return 1;
+	}
 	if (*str == '=')
 		str++;
 	if (!strcmp(str, "off"))