vhost_net: add a missing error return

We accidentally left out this error return so it leads to some use after
free bugs later on.

Fixes: 1cfc0753df06 ("vhost_net: batch submitting XDP buffers to underlayer sockets")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index dd4e0a301635a701c0c9a7929ec4e684a06a6c99..1bff6bc8161a8a398831bcf5f65d3e825508c49c 100644 (file)
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -1244,6 +1244,7 @@ static int vhost_net_open(struct inode *inode, struct file *f)
                kfree(vqs);
                kvfree(n);
                kfree(queue);
+               return -ENOMEM;
        }
        n->vqs[VHOST_NET_VQ_TX].xdp = xdp;