[PATCH 24/28] mmap: Use find_vma_intersection in do_mmap() for overlap

[Liam R. Howlett]

When detecting a conflict with MAP_FIXED_NOREPLACE, using the new interface 
avoids
the need for a temp variable

Signed-off-by: Liam R. Howlett <liam.howl...@oracle.com>
---
 mm/mmap.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/mmap.c b/mm/mmap.c
index 4ef32ed2c34dc..48ab40a90428b 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1433,9 +1433,7 @@ unsigned long do_mmap(struct file *file, unsigned long 
addr,
                return addr;
 
        if (flags & MAP_FIXED_NOREPLACE) {
-               struct vm_area_struct *vma = find_vma(mm, addr);
-
-               if (vma && vma->vm_start < addr + len)
+               if (find_vma_intersection(mm, addr, addr + len))
                        return -EEXIST;
        }
 
-- 
2.28.0