SUNRPC: Add an rpc_credop callback for binding a credential to an rpc_task

We need the ability to treat 'generic' creds specially, since they want to
bind instances of the auth cred instead of binding themselves.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 012f2a320638..d65dd7940102 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -375,13 +375,14 @@ rpcauth_init_cred(struct rpc_cred *cred, const struct auth_cred *acred,
 }
 EXPORT_SYMBOL_GPL(rpcauth_init_cred);
 
-static void
+void
 rpcauth_generic_bind_cred(struct rpc_task *task, struct rpc_cred *cred)
 {
         task->tk_msg.rpc_cred = get_rpccred(cred);
         dprintk("RPC: %5u holding %s cred %p\n", task->tk_pid,
                         cred->cr_auth->au_ops->au_name, cred);
 }
+EXPORT_SYMBOL_GPL(rpcauth_generic_bind_cred);
 
 static void
 rpcauth_bind_root_cred(struct rpc_task *task)
@@ -421,7 +422,7 @@ void
 rpcauth_bindcred(struct rpc_task *task, struct rpc_cred *cred, int flags)
 {
         if (cred != NULL)
-                rpcauth_generic_bind_cred(task, cred);
+                cred->cr_ops->crbind(task, cred);
         else if (flags & RPC_TASK_ROOTCREDS)
                 rpcauth_bind_root_cred(task);
         else