ceph: fix memory leak due to possible dentry init race

Free dentry_info in error path.

Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 4 insertions, 1 deletions

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 33feac75c532..422794fd10e0 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -51,8 +51,11 @@ int ceph_init_dentry(struct dentry *dentry)
                 return -ENOMEM;          /* oh well */
 
         spin_lock(&dentry->d_lock);
-        if (dentry->d_fsdata) /* lost a race */
+        if (dentry->d_fsdata) {
+                /* lost a race */
+                kmem_cache_free(ceph_dentry_cachep, di);
                 goto out_unlock;
+        }
         di->dentry = dentry;
         di->lease_session = NULL;
         dentry->d_fsdata = di;