diff --git a/fs/dcache.c b/fs/dcache.c
index 3ffef7f4e5cdd9d00ca454130070f4619a8707d6..5bc72b07fde22bcbb00451c7522333e2aa273323 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -778,6 +778,7 @@ void d_prune_aliases(struct inode *inode)
 			struct dentry *parent = lock_parent(dentry);
 			if (likely(!dentry->d_lockref.count)) {
 				__dentry_kill(dentry);
+				dput(parent);
 				goto restart;
 			}
 			if (parent)