From 5bb7eb173b72256f70c6b3f3916d7a444be93340 Mon Sep 17 00:00:00 2001
From: Jean Delvare <jdelvare@suse.de>
Date: Mon, 23 Mar 2020 16:47:23 +0100
Subject: [PATCH 02/23] dmidecode: Don't choke on invalid processor voltage

If the processor voltage encoding has some of the reserved bits set
and none of the proper bits set, print it as "Unknown" instead of an
empty field.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
---
 dmidecode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dmidecode.c b/dmidecode.c
index 71c166f0595d..ef9bbd54b7f8 100644
--- a/dmidecode.c
+++ b/dmidecode.c
@@ -1190,13 +1190,13 @@ static void dmi_processor_voltage(u8 code)
 
 	if (code & 0x80)
 		printf(" %.1f V", (float)(code & 0x7f) / 10);
+	else if ((code & 0x07) == 0x00)
+		printf(" Unknown");
 	else
 	{
 		for (i = 0; i <= 2; i++)
 			if (code & (1 << i))
 				printf(" %s", voltage[i]);
-		if (code == 0x00)
-			printf(" Unknown");
 	}
 }
 
-- 
2.17.1