diff mbox

[1/2] kvm tools: Fix VHOST_SET_MEM_TABLE failure

Message ID 1342007130-23114-1-git-send-email-asias.hejun@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Asias He July 11, 2012, 11:45 a.m. UTC 
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@gmail.com>
---
 tools/kvm/virtio/net.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

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");