NFS add callback_ops to nfs4_proc_bind_conn_to_session_callback

Fix oops when NULL callback_ops pointer accessed in rpc_init_task

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 36471e013a73..dbc3dc2f65cd 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6782,6 +6782,15 @@ nfs41_same_server_scope(struct nfs41_server_scope *a,
         return false;
 }
 
+static void
+nfs4_bind_one_conn_to_session_done(struct rpc_task *task, void *calldata)
+{
+}
+
+static const struct rpc_call_ops nfs4_bind_one_conn_to_session_ops = {
+        .rpc_call_done =  &nfs4_bind_one_conn_to_session_done,
+};
+
 /*
  * nfs4_proc_bind_one_conn_to_session()
  *
@@ -6810,6 +6819,7 @@ int nfs4_proc_bind_one_conn_to_session(struct rpc_clnt *clnt,
         struct rpc_task_setup task_setup_data = {
                 .rpc_client = clnt,
                 .rpc_xprt = xprt,
+                .callback_ops = &nfs4_bind_one_conn_to_session_ops,
                 .rpc_message = &msg,
                 .flags = RPC_TASK_TIMEOUT,
         };