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/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 567abbe..72b2217 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -669,7 +669,7 @@
out:
mutex_unlock(&dir->i_mutex);
rpc_release_path(&nd);
- return dentry;
+ return dget(dentry);
err_depopulate:
rpc_depopulate(dentry);
__rpc_rmdir(dir, dentry);
@@ -733,7 +733,7 @@
out:
mutex_unlock(&dir->i_mutex);
rpc_release_path(&nd);
- return dentry;
+ return dget(dentry);
err_dput:
dput(dentry);
dentry = ERR_PTR(-ENOMEM);