ceph: fix leak of dentry in ceph_init_dentry() error path

If we fail to allocate a ceph_dentry_info, don't leak the dn reference.

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

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 8f9b9fe..3582e79 100644 (file)
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1199,8 +1199,10 @@ retry_lookup:
                                goto out;
                        }
                        err = ceph_init_dentry(dn);
-                       if (err < 0)
+                       if (err < 0) {
+                               dput(dn);
                                goto out;
+                       }
                } else if (dn->d_inode &&
                           (ceph_ino(dn->d_inode) != vino.ino ||
                            ceph_snap(dn->d_inode) != vino.snap)) {