commit a3fea015398d7c41db5b5d348fe3f6d76236b6be

Author: Paolo Bonzini <pbonzini@redhat.com>

Date:   Fri Nov 18 15:59:24 2011 +0100

    usb: fix boot paths

    The fw paths for USB devices that SeaBIOS computes are off-by-one,

    because QEMU builds those paths with a numbering that starts from one

    (see usb_fill_port and usb_hub_initfn in QEMU).  Fix that so that

    the numbering agrees.

diff --git a/src/boot.c b/src/boot.c

index 119f290..93928d3 100644

--- a/src/boot.c

+++ b/src/boot.c

@@ -191,9 +191,9 @@ int bootprio_find_usb(struct pci_device *pci, u64 path)

     for (i=56; i>0; i-=8) {

         int port = (path >> i) & 0xff;

         if (port != 0xff)

-            p += snprintf(p, desc+sizeof(desc)-p, "/hub@%x", port);

+            p += snprintf(p, desc+sizeof(desc)-p, "/hub@%x", port+1);

     }

-    snprintf(p, desc+sizeof(desc)-p, "/*@%x", (u32)(path & 0xff));

+    snprintf(p, desc+sizeof(desc)-p, "/*@%x", (u32)(path & 0xff)+1);

     return find_prio(desc);

 }