openvswitch: Fix memory leak in ovs_vport_alloc() error path

ovs_vport_alloc() bails out without freeing the memory 'vport' points to.

Picked up by Coverity - CID 1230503.

Fixes: 5cd667b0a4 ("openvswitch: Allow each vport to have an array of 'port_id's.")
Signed-off-by: Christoph Jaeger <cj@linux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 702fb21..6d8f2ec 100644 (file)
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -137,8 +137,10 @@ struct vport *ovs_vport_alloc(int priv_size, const struct vport_ops *ops,
        vport->ops = ops;
        INIT_HLIST_NODE(&vport->dp_hash_node);
 
-       if (ovs_vport_set_upcall_portids(vport, parms->upcall_portids))
+       if (ovs_vport_set_upcall_portids(vport, parms->upcall_portids)) {
+               kfree(vport);
                return ERR_PTR(-EINVAL);
+       }
 
        vport->percpu_stats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
        if (!vport->percpu_stats) {