datapath: avoid warnings in vport_from_priv

[cascardo/ovs.git] / datapath / vport.h

diff --git a/datapath/vport.h b/datapath/vport.h
index 2cf2b18..de79d8c 100644 (file)
--- a/datapath/vport.h
+++ b/datapath/vport.h
@@ -186,9 +186,9 @@ static inline void *vport_priv(const struct vport *vport)
  * the result of a hash table lookup.  @priv must point to the start of the
  * private data area.
  */
-static inline struct vport *vport_from_priv(const void *priv)
+static inline struct vport *vport_from_priv(void *priv)
 {
-       return (struct vport *)(priv - ALIGN(sizeof(struct vport), VPORT_ALIGN));
+       return (struct vport *)((u8 *)priv - ALIGN(sizeof(struct vport), VPORT_ALIGN));
 }
 
 void ovs_vport_receive(struct vport *, struct sk_buff *,