From 71c577685e08fa7bb66028887c0e8bb2ecf76f5b Mon Sep 17 00:00:00 2001
From: Kevin O'Connor <kevin@koconnor.net>
Date: Wed, 9 Jul 2008 22:43:23 -0400
Subject: [PATCH] Fix error in pci_find_class().

Fix biterror - must shift value read from pci space - otherwise stray
    bits may be set and cause comparison to fail.
---
 src/pci.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/pci.c b/src/pci.c
index e704444..efcab46 100644
--- a/src/pci.c
+++ b/src/pci.c
@@ -80,12 +80,11 @@ int
 pci_find_class(u32 classid, int index, PCIDevice *dev)
 {
     int devfn, bus;
-    u32 id = classid << 8;
     for (bus=0; bus < MAX_BUS; bus++) {
         for (devfn=0; devfn<0x100; devfn++) {
             PCIDevice d = pci_bd(bus, devfn);
             u32 v = pci_config_readl(d, 0x08);
-            if (v != id)
+            if ((v>>8) != classid)
                 continue;
             if (index) {
                 index--;
-- 
2.25.1