From: H. Peter Anvin <hpa@zytor.com>
Date: Fri, 4 Sep 2009 00:18:24 +0000 (-0700)
Subject: core: pxe: don't confuse index and data when searching...
X-Git-Tag: syslinux-4.00-pre6~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fde3298c7bc2b6d90ffc104219f2cb116f71a315;p=platform%2Fupstream%2Fsyslinux.git

core: pxe: don't confuse index and data when searching...

Don't confuse the index and data when searching the PCI ID table for
special idle handling.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---

diff --git a/core/fs/pxe/idle.c b/core/fs/pxe/idle.c
index 73379fe..5393ae1 100644
--- a/core/fs/pxe/idle.c
+++ b/core/fs/pxe/idle.c
@@ -87,15 +87,16 @@ void pxe_idle_init(void)
 
     found = false;
     while (h >= l) {
-	uint32_t e = pxe_need_idle_drain[(l+h) >> 1];
+	int x = (l+h) >> 1;
+	uint32_t id = pxe_need_idle_drain[x];
 
-	if (e == dev_id) {
+	if (id == dev_id) {
 	    found = true;
 	    break;
-	} else if (e < dev_id) {
-	    l = e+1;
+	} else if (id < dev_id) {
+	    l = x+1;
 	} else {
-	    h = e-1;
+	    h = x-1;
 	}
     }