static inline int is_user_addr_valid(struct task_struct *child,
unsigned long start, unsigned long len)
{
- struct vm_list_struct *vml;
+ struct vm_area_struct *vma;
struct sram_list_struct *sraml;
/* overflow */
if (start + len < start)
return -EIO;
- for (vml = child->mm->context.vmlist; vml; vml = vml->next)
- if (start >= vml->vma->vm_start && start + len < vml->vma->vm_end)
+ vma = find_vma(child->mm, start);
+ if (vma && start >= vma->vm_start && start + len <= vma->vm_end)
return 0;
for (sraml = child->mm->context.sram_list; sraml; sraml = sraml->next)