diff options
| -rw-r--r-- | mm/mmap.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 6bc21fca20bc..e4a8f67aad62 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2274,12 +2274,9 @@ find_vma_prev(struct mm_struct *mm, unsigned long addr, if (vma) { *pprev = vma->vm_prev; } else { - struct rb_node *rb_node = mm->mm_rb.rb_node; - *pprev = NULL; - while (rb_node) { - *pprev = rb_entry(rb_node, struct vm_area_struct, vm_rb); - rb_node = rb_node->rb_right; - } + struct rb_node *rb_node = rb_last(&mm->mm_rb); + + *pprev = rb_node ? rb_entry(rb_node, struct vm_area_struct, vm_rb) : NULL; } return vma; } |