diff options
| -rw-r--r-- | fs/dcache.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index 85a2aad3dcb3..ad137005cda7 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -2706,6 +2706,11 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry) dput(new); return ERR_PTR(-EIO); } + if (d_ancestor(new, dentry)) { + spin_unlock(&inode->i_lock); + dput(new); + return ERR_PTR(-EIO); + } write_seqlock(&rename_lock); __d_materialise_dentry(dentry, new); write_sequnlock(&rename_lock); |