Merge tag 'spi-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc
[firefly-linux-kernel-4.4.55.git] / mm / fremap.c
index 3899a86851ceb6bf021e51c014fef16e0893a7f0..a0aaf0e56800394be8b9ae0d0da47712b6e0bb53 100644 (file)
@@ -169,7 +169,7 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size,
        if (vma->vm_private_data && !(vma->vm_flags & VM_NONLINEAR))
                goto out;
 
-       if (!vma->vm_ops->remap_pages)
+       if (!vma->vm_ops || !vma->vm_ops->remap_pages)
                goto out;
 
        if (start < vma->vm_start || start + size > vma->vm_end)