diff options
| -rw-r--r-- | fs/kernfs/mount.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c index 1358c21837f1..b9b16e97bff1 100644 --- a/fs/kernfs/mount.c +++ b/fs/kernfs/mount.c @@ -145,7 +145,9 @@ static struct dentry *kernfs_fh_to_parent(struct super_block *sb, static struct dentry *kernfs_get_parent_dentry(struct dentry *child) { struct kernfs_node *kn = kernfs_dentry_node(child); + struct kernfs_root *root = kernfs_root(kn); + guard(rwsem_read)(&root->kernfs_rwsem); return d_obtain_alias(kernfs_get_inode(child->d_sb, kn->parent)); } |