Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
[linux-2.6.git] / security / security.c
index d953d25..c0acfa7 100644 (file)
@@ -127,10 +127,14 @@ int register_security(struct security_operations *ops)
 
 /* Security operations */
 
-int security_ptrace(struct task_struct *parent, struct task_struct *child,
-                   unsigned int mode)
+int security_ptrace_may_access(struct task_struct *child, unsigned int mode)
 {
-       return security_ops->ptrace(parent, child, mode);
+       return security_ops->ptrace_may_access(child, mode);
+}
+
+int security_ptrace_traceme(struct task_struct *parent)
+{
+       return security_ops->ptrace_traceme(parent);
 }
 
 int security_capget(struct task_struct *target,
@@ -194,14 +198,23 @@ int security_settime(struct timespec *ts, struct timezone *tz)
 
 int security_vm_enough_memory(long pages)
 {
+       WARN_ON(current->mm == NULL);
        return security_ops->vm_enough_memory(current->mm, pages);
 }
 
 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
 {
+       WARN_ON(mm == NULL);
        return security_ops->vm_enough_memory(mm, pages);
 }
 
+int security_vm_enough_memory_kern(long pages)
+{
+       /* If current->mm is a kernel thread then we will pass NULL,
+          for this specific case that is fine */
+       return security_ops->vm_enough_memory(current->mm, pages);
+}
+
 int security_bprm_alloc(struct linux_binprm *bprm)
 {
        return security_ops->bprm_alloc_security(bprm);