e1000: Do not reinit pci config space to 0

pci_register_device already mallocs the pci config space buffer filled
with zeroes.

Doing this again breaks some default config space writes like
setting the subsystem vendor id and subsystem device id.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/hw/e1000.c b/hw/e1000.c
index b0fe917342bd3c2023650202d537f86e9ff0bb84..940e893ba321b5b56e7477c032424c54a860c16f 100644 (file)
--- a/hw/e1000.c
+++ b/hw/e1000.c
@@ -1067,7 +1067,6 @@ pci_e1000_init(PCIBus *bus, NICInfo *nd, int devfn)
        return NULL;
 
     pci_conf = d->dev.config;
-    memset(pci_conf, 0, 256);
 
     pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL);
     pci_config_set_device_id(pci_conf, E1000_DEVID);