diff options
Diffstat (limited to 'fs/kernfs/file.c')
| -rw-r--r-- | fs/kernfs/file.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c index b7f943f333..8502ef6845 100644 --- a/fs/kernfs/file.c +++ b/fs/kernfs/file.c @@ -483,9 +483,11 @@ static int kernfs_fop_mmap(struct file *file, struct vm_area_struct *vma) goto out_put; rc = 0; - of->mmapped = true; - of_on(of)->nr_mmapped++; - of->vm_ops = vma->vm_ops; + if (!of->mmapped) { + of->mmapped = true; + of_on(of)->nr_mmapped++; + of->vm_ops = vma->vm_ops; + } vma->vm_ops = &kernfs_vm_ops; out_put: kernfs_put_active(of->kn); |