VHOST_SET_MEM_TABLE failed: Operation not supported
In vhost_set_memory(), We have
if (mem.padding)
return -EOPNOTSUPP;
So, we need to zero struct vhost_memory.
Signed-off-by: Asias He <asias.hejun@xxxxxxxxx>
---
tools/kvm/virtio/net.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/kvm/virtio/net.c b/tools/kvm/virtio/net.c
index ae17eb5..aa769d9 100644
--- a/tools/kvm/virtio/net.c
+++ b/tools/kvm/virtio/net.c
@@ -471,7 +471,7 @@ static void virtio_net__vhost_init(struct kvm *kvm, struct net_dev *ndev)
if (ndev->vhost_fd < 0)
die_perror("Failed openning vhost-net device");
- mem = malloc(sizeof(*mem) + sizeof(struct vhost_memory_region));
+ mem = calloc(1, sizeof(*mem) + sizeof(struct vhost_memory_region));
if (mem == NULL)
die("Failed allocating memory for vhost memory map");
--
1.7.10.4
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