From 02a6fc3ea69ba8801bc1864dd393d8df31559667 Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay@vrfy.org>
Date: Sun, 17 Feb 2013 19:54:29 +0100
Subject: [PATCH] efi: compare by substraction

---
 src/shared/efivars.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/shared/efivars.c b/src/shared/efivars.c
index 8494f3772..c42956f84 100644
--- a/src/shared/efivars.c
+++ b/src/shared/efivars.c
@@ -308,12 +308,7 @@ static int boot_id_hex(const char s[4]) {
 static int cmp_uint16(const void *_a, const void *_b) {
         const uint16_t *a = _a, *b = _b;
 
-        if (*a < *b)
-                return -1;
-        if (*a > *b)
-                return 1;
-
-        return 0;
+        return (int)*a - (int)*b;
 }
 
 int efi_get_boot_options(uint16_t **options) {