--- a/kernel/nvidia/os-interface.c	2018-12-27 11:57:21.788109696 +1100
+++ b/kernel/nvidia/os-interface.c	2018-12-27 11:59:45.300394369 +1100
@@ -1697,7 +1697,7 @@
 
 struct nv_ipmi_softc
 {
-    ipmi_user_t         p_user;     // ptr to ipmi_msghandler user structure
+    struct ipmi_user   *p_user;     // ptr to ipmi_msghandler user structure
     spinlock_t          msg_lock;
     struct list_head    msgs;
     NvU32               seqNum;     //request sequence number
@@ -1706,7 +1706,7 @@
 static inline int
 nv_ipmi_set_my_address
 (
-    ipmi_user_t     user,
+    struct ipmi_user *user,
     unsigned char   address
 )
 {