SUNRPC: Add a backpointer from the struct rpc_cred to the rpc_auth

Cleans up an issue whereby rpcsec_gss uses the rpc_clnt->cl_auth. If we want
to be able to add several rpc_auths to a single rpc_clnt, then this abuse
must go.

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

1 files changed, 2 insertions, 1 deletions

diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 4e4ccc5b6fea..e894e2fc360d 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -386,7 +386,7 @@ static inline int
 gss_refresh_upcall(struct rpc_task *task)
 {
         struct rpc_cred *cred = task->tk_msg.rpc_cred;
-        struct gss_auth *gss_auth = container_of(task->tk_client->cl_auth,
+        struct gss_auth *gss_auth = container_of(cred->cr_auth,
                         struct gss_auth, rpc_auth);
         struct gss_cred *gss_cred = container_of(cred,
                         struct gss_cred, gc_base);
@@ -741,6 +741,7 @@ gss_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
          * fail to flag the credential as RPCAUTH_CRED_UPTODATE.
          */
         cred->gc_flags = 0;
+        cred->gc_base.cr_auth = auth;
         cred->gc_base.cr_ops = &gss_credops;
         cred->gc_base.cr_flags = RPCAUTH_CRED_NEW;
         cred->gc_service = gss_auth->service;