From 1c9e617c34c87107967e3e1c5f8c1925e0289c86 Mon Sep 17 00:00:00 2001
From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Fri, 10 Mar 2006 23:33:27 +0000
Subject: [PATCH] Micro-optimize invalid UUID check.

---
 sys/boot/i386/libi386/smbios.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sys/boot/i386/libi386/smbios.c b/sys/boot/i386/libi386/smbios.c
index eb0c43990477..ecb0650dea65 100644
--- a/sys/boot/i386/libi386/smbios.c
+++ b/sys/boot/i386/libi386/smbios.c
@@ -233,8 +233,10 @@ smbios_setuuid(const char *name, const uint8_t *dmi, const int offset)
 	for (i = 0; i < 16; i++) {
 		if (idp[i] == 0xff)
 			f++;
-		if (idp[i] == 0x00)
+		else if (idp[i] == 0x00)
 			z++;
+		else
+			break;
 	}
 	if (f != 16 && z != 16) {
 		sprintf(uuid, "%02X%02X%02X%02X-"