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>
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 4e4ccc5..e894e2f 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -386,7 +386,7 @@
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 @@
* 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;
diff --git a/net/sunrpc/auth_null.c b/net/sunrpc/auth_null.c
index 3df9fcc..890bd9b 100644
--- a/net/sunrpc/auth_null.c
+++ b/net/sunrpc/auth_null.c
@@ -133,6 +133,7 @@
static
struct rpc_cred null_cred = {
+ .cr_auth = &null_auth,
.cr_ops = &null_credops,
.cr_count = ATOMIC_INIT(1),
.cr_flags = RPCAUTH_CRED_UPTODATE,
diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c
index 4e7733a..82300b8 100644
--- a/net/sunrpc/auth_unix.c
+++ b/net/sunrpc/auth_unix.c
@@ -92,6 +92,7 @@
if (i < NFS_NGROUPS)
cred->uc_gids[i] = NOGROUP;
}
+ cred->uc_base.cr_auth = &unix_auth;
cred->uc_base.cr_ops = &unix_credops;
return (struct rpc_cred *) cred;