1 files changed, 6 insertions, 1 deletions

diff --git a/fs/dcache.c b/fs/dcache.c
index 1536f15c4d4c..134d6775183f 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -808,10 +808,14 @@ void d_instantiate(struct dentry *entry, struct inode * inode)
  *
  * Fill in inode information in the entry. On success, it returns NULL.
  * If an unhashed alias of "entry" already exists, then we return the
- * aliased dentry instead.
+ * aliased dentry instead and drop one reference to inode.
  *
  * Note that in order to avoid conflicts with rename() etc, the caller
  * had better be holding the parent directory semaphore.
+ *
+ * This also assumes that the inode count has been incremented
+ * (or otherwise set) by the caller to indicate that it is now
+ * in use by the dcache.
  */
 struct dentry *d_instantiate_unique(struct dentry *entry, struct inode *inode)
 {
@@ -838,6 +842,7 @@ struct dentry *d_instantiate_unique(struct dentry *entry, struct inode *inode)
                 dget_locked(alias);
                 spin_unlock(&dcache_lock);
                 BUG_ON(!d_unhashed(alias));
+                iput(inode);
                 return alias;
         }
         list_add(&entry->d_alias, &inode->i_dentry);