mm/mmap: Fix unlocking before populate check in vm_brk_flags()

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/mm/mmap.c b/mm/mmap.c
index 9f7cd98d813bd5e2f221647f5006121878a2ffd5..5c425fa0b883e6a82b8e34c5f60e393c1b0f563c 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -3021,8 +3021,8 @@ int vm_brk_flags(unsigned long addr, unsigned long request, unsigned long flags)
        // This vma left intentionally blank.
        mas_walk(&mas);
        ret = do_brk_flags(&mas, &mas, &vma, addr, len, flags);
-       mmap_write_unlock(mm);
        populate = ((mm->def_flags & VM_LOCKED) != 0);
+       mmap_write_unlock(mm);
        if (populate && !ret)
                mm_populate_vma(vma, addr, addr + len);
        return ret;