NOMMU: Make VMAs per MM as for MMU-mode linux

[safe/jmp/linux-2.6] / arch / frv / kernel / ptrace.c

diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c
index 709e9bd..5e7d401 100644 (file)
--- a/arch/frv/kernel/ptrace.c
+++ b/arch/frv/kernel/ptrace.c
@@ -69,7 +69,8 @@ static inline int put_reg(struct task_struct *task, int regno,
 }
 
 /*
- * check that an address falls within the bounds of the target process's memory mappings
+ * check that an address falls within the bounds of the target process's memory
+ * mappings
  */
 static inline int is_user_addr_valid(struct task_struct *child,
                                     unsigned long start, unsigned long len)
@@ -79,11 +80,11 @@ static inline int is_user_addr_valid(struct task_struct *child,
                return -EIO;
        return 0;
 #else
-       struct vm_list_struct *vml;
+       struct vm_area_struct *vma;
 
-       for (vml = child->mm->context.vmlist; vml; vml = vml->next)
-               if (start >= vml->vma->vm_start && start + len <= vml->vma->vm_end)
-                       return 0;
+       vma = find_vma(child->mm, start);
+       if (vma && start >= vma->vm_start && start + len <= vma->vm_end)
+               return 0;
 
        return -EIO;
 #endif