Taken from: http://lkml.org/lkml/2007/10/21/193

--- a/security/security.c
+++ b/security/security.c
@@ -409,6 +409,7 @@ int security_inode_permission(struct inode *inode, int mask, struct nameidata *n
 		return 0;
 	return security_ops->inode_permission(inode, mask, nd);
 }
+EXPORT_SYMBOL(security_inode_permission);
 
 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
 {
@@ -518,6 +519,7 @@ int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	return security_ops->file_ioctl(file, cmd, arg);
 }
+EXPORT_SYMBOL(security_file_ioctl);
 
 int security_file_mmap(struct file *file, unsigned long reqprot,
 			unsigned long prot, unsigned long flags,