diff --git a/include/linux/cred.h b/include/linux/cred.h
index 85439ab..24520a5 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -152,6 +152,7 @@
 extern void __put_cred(struct cred *);
 extern void exit_creds(struct task_struct *);
 extern int copy_creds(struct task_struct *, unsigned long);
+extern struct cred *cred_alloc_blank(void);
 extern struct cred *prepare_creds(void);
 extern struct cred *prepare_exec_creds(void);
 extern struct cred *prepare_usermodehelper_creds(void);