fixed scan error

diff --git a/palacios/src/devices/pci.c b/palacios/src/devices/pci.c
index 616992e..23be4f6 100644 (file)
--- a/palacios/src/devices/pci.c
+++ b/palacios/src/devices/pci.c
@@ -297,12 +297,11 @@ static int data_port_read(ushort_t port, void * dst, uint_t length, struct vm_de
     pci_dev = get_device(&(pci_state->bus_list[0]), pci_state->addr_reg.dev_num);
     
     if (pci_dev == NULL) {
-       //*(uint32_t *)dst = 0xffffffff;
-
-       PrintError("Reading configuration space for non-present device (dev_num=%d)\n", 
-                  pci_state->addr_reg.dev_num); 
+       for (i = 0; i < length; i++) {
+           *((uint8_t *)dst + i) = 0xff;
+       }
 
-       return -1;
+       return length;
     }
 
     for (i = 0; i < length; i++) {