CRED: Wrap current->cred and a few other accessors

Wrap current->cred and a few other accessors to hide their actual
implementation.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>

2 files changed, 9 insertions, 7 deletions

diff --git a/net/core/scm.c b/net/core/scm.c
index c28ca32..f73c44b 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -44,7 +44,7 @@
 
 static __inline__ int scm_check_creds(struct ucred *creds)
 {
-	struct cred *cred = current->cred;
+	const struct cred *cred = current_cred();
 
 	if ((creds->pid == task_tgid_vnr(current) || capable(CAP_SYS_ADMIN)) &&
 	    ((creds->uid == cred->uid   || creds->uid == cred->euid ||
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index c795432..0443f83 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -350,16 +350,18 @@ EXPORT_SYMBOL_GPL(rpcauth_lookup_credcache);
 struct rpc_cred *
 rpcauth_lookupcred(struct rpc_auth *auth, int flags)
 {
-	struct auth_cred acred = {
-		.uid = current_fsuid(),
-		.gid = current_fsgid(),
-		.group_info = current->cred->group_info,
-	};
+	struct auth_cred acred;
 	struct rpc_cred *ret;
+	const struct cred *cred = current_cred();
 
 	dprintk("RPC:       looking up %s cred\n",
 		auth->au_ops->au_name);
-	get_group_info(acred.group_info);
+
+	memset(&acred, 0, sizeof(acred));
+	acred.uid = cred->fsuid;
+	acred.gid = cred->fsgid;
+	acred.group_info = get_group_info(((struct cred *)cred)->group_info);
+
 	ret = auth->au_ops->lookup_cred(auth, &acred, flags);
 	put_group_info(acred.group_info);
 	return ret;