Now that we can boot from multiple boot devices, we have to make sure
to reinitialize static variables like rx_last_idx to avoid that they
contain garbage data during the second boot attempt (which can lead to
crashes when the code tries to access the wrong ring data).
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
pc-bios/s390-ccw/virtio-net.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/pc-bios/s390-ccw/virtio-net.c b/pc-bios/s390-ccw/virtio-net.c
index f9854a22c3..578c89d0c5 100644
--- a/pc-bios/s390-ccw/virtio-net.c
+++ b/pc-bios/s390-ccw/virtio-net.c
@@ -51,6 +51,8 @@ int virtio_net_init(void *mac_addr)
void *buf;
int i;
+ rx_last_idx = 0;
+
vdev->guest_features[0] = VIRTIO_NET_F_MAC_BIT;
virtio_setup_ccw(vdev);