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-rw-r--r--arch/powerpc/mm/copro_fault.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/arch/powerpc/mm/copro_fault.c b/arch/powerpc/mm/copro_fault.c
index 7c507fb48182..f49fd873df8d 100644
--- a/arch/powerpc/mm/copro_fault.c
+++ b/arch/powerpc/mm/copro_fault.c
@@ -33,19 +33,11 @@ int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
if (mm->pgd == NULL)
return -EFAULT;
- mmap_read_lock(mm);
- ret = -EFAULT;
- vma = find_vma(mm, ea);
+ vma = lock_mm_and_find_vma(mm, ea, NULL);
if (!vma)
- goto out_unlock;
-
- if (ea < vma->vm_start) {
- if (!(vma->vm_flags & VM_GROWSDOWN))
- goto out_unlock;
- if (expand_stack(vma, ea))
- goto out_unlock;
- }
+ return -EFAULT;
+ ret = -EFAULT;
is_write = dsisr & DSISR_ISSTORE;
if (is_write) {
if (!(vma->vm_flags & VM_WRITE))