SUNRPC: Ensure that rpc_mkpipe returns a refcounted dentry
If not, we cannot guarantee that idmap->idmap_dentry, gss_auth->dentry and
clnt->cl_dentry are valid dentries.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
index 821edd3..32c95a0 100644
--- a/fs/nfs/idmap.c
+++ b/fs/nfs/idmap.c
@@ -132,6 +132,8 @@
if (!idmap)
return;
+ dput(idmap->idmap_dentry);
+ idmap->idmap_dentry = NULL;
rpc_unlink(idmap->idmap_path);
clp->cl_idmap = NULL;
kfree(idmap);