On Thu, Sep 20, 2018 at 01:01:59PM +0300, Dan Carpenter wrote: > We accidentally left out this error return so it leads to some use after > free bugs later on. > > Fixes: 0a0be13b8fe2 ("vhost_net: batch submitting XDP buffers to underlayer sockets") > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Ouch. Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx> > > diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c > index dd4e0a301635..1bff6bc8161a 100644 > --- 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; >