1 files changed, 8 insertions, 7 deletions

diff --git a/mm/nommu.c b/mm/nommu.c
index 0b16cb4c517b..2454d39dc068 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -746,7 +746,6 @@ static void add_vma_to_mm(struct mm_struct *mm, struct vm_area_struct *vma)
  */
 static void delete_vma_from_mm(struct vm_area_struct *vma)
 {
-        struct vm_area_struct **pp;
         struct address_space *mapping;
         struct mm_struct *mm = vma->vm_mm;
 
@@ -769,12 +768,14 @@ static void delete_vma_from_mm(struct vm_area_struct *vma)
 
         /* remove from the MM's tree and list */
         rb_erase(&vma->vm_rb, &mm->mm_rb);
-        for (pp = &mm->mmap; *pp; pp = &(*pp)->vm_next) {
-                if (*pp == vma) {
-                        *pp = vma->vm_next;
-                        break;
-                }
-        }
+
+        if (vma->vm_prev)
+                vma->vm_prev->vm_next = vma->vm_next;
+        else
+                mm->mmap = vma->vm_next;
+
+        if (vma->vm_next)
+                vma->vm_next->vm_prev = vma->vm_prev;
 
         vma->vm_mm = NULL;
 }