1 files changed, 73 insertions, 22 deletions

diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index f684ce60666..1a6fa917351 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -757,6 +757,73 @@ gss_pipe_destroy_msg(struct rpc_pipe_msg *msg)
 	}
 }
 
+static void gss_pipes_dentries_destroy(struct rpc_auth *auth)
+{
+	struct gss_auth *gss_auth;
+
+	gss_auth = container_of(auth, struct gss_auth, rpc_auth);
+	rpc_unlink(gss_auth->pipe[0]->dentry);
+	rpc_unlink(gss_auth->pipe[1]->dentry);
+}
+
+static int gss_pipes_dentries_create(struct rpc_auth *auth)
+{
+	int err;
+	struct gss_auth *gss_auth;
+	struct rpc_clnt *clnt;
+
+	gss_auth = container_of(auth, struct gss_auth, rpc_auth);
+	clnt = gss_auth->client;
+
+	gss_auth->pipe[1]->dentry = rpc_mkpipe_dentry(clnt->cl_path.dentry,
+						      "gssd",
+						      clnt, gss_auth->pipe[1]);
+	if (IS_ERR(gss_auth->pipe[1]->dentry))
+		return PTR_ERR(gss_auth->pipe[1]->dentry);
+	gss_auth->pipe[0]->dentry = rpc_mkpipe_dentry(clnt->cl_path.dentry,
+						      gss_auth->mech->gm_name,
+						      clnt, gss_auth->pipe[0]);
+	if (IS_ERR(gss_auth->pipe[0]->dentry)) {
+		err = PTR_ERR(gss_auth->pipe[0]->dentry);
+		goto err_unlink_pipe_1;
+	}
+	return 0;
+
+err_unlink_pipe_1:
+	rpc_unlink(gss_auth->pipe[1]->dentry);
+	return err;
+}
+
+static void gss_pipes_dentries_destroy_net(struct rpc_clnt *clnt,
+					   struct rpc_auth *auth)
+{
+	struct net *net = clnt->cl_xprt->xprt_net;
+	struct super_block *sb;
+
+	sb = rpc_get_sb_net(net);
+	if (sb) {
+		if (clnt->cl_path.dentry)
+			gss_pipes_dentries_destroy(auth);
+		rpc_put_sb_net(net);
+	}
+}
+
+static int gss_pipes_dentries_create_net(struct rpc_clnt *clnt,
+					 struct rpc_auth *auth)
+{
+	struct net *net = clnt->cl_xprt->xprt_net;
+	struct super_block *sb;
+	int err = 0;
+
+	sb = rpc_get_sb_net(net);
+	if (sb) {
+		if (clnt->cl_path.dentry)
+			err = gss_pipes_dentries_create(auth);
+		rpc_put_sb_net(net);
+	}
+	return err;
+}
+
 /*
  * NOTE: we have the opportunity to use different
  * parameters based on the input flavor (which must be a pseudoflavor)
@@ -812,31 +879,16 @@ gss_create(struct rpc_clnt *clnt, rpc_authflavor_t flavor)
 		err = PTR_ERR(gss_auth->pipe[0]);
 		goto err_destroy_pipe_1;
 	}
-
-	gss_auth->pipe[1]->dentry = rpc_mkpipe_dentry(clnt->cl_path.dentry,
-						      "gssd",
-						      clnt, gss_auth->pipe[1]);
-	if (IS_ERR(gss_auth->pipe[1]->dentry)) {
-		err = PTR_ERR(gss_auth->pipe[1]->dentry);
+	err = gss_pipes_dentries_create_net(clnt, auth);
+	if (err)
 		goto err_destroy_pipe_0;
-	}
-
-	gss_auth->pipe[0]->dentry = rpc_mkpipe_dentry(clnt->cl_path.dentry,
-						      gss_auth->mech->gm_name,
-						      clnt, gss_auth->pipe[0]);
-	if (IS_ERR(gss_auth->pipe[0]->dentry)) {
-		err = PTR_ERR(gss_auth->pipe[0]->dentry);
-		goto err_unlink_pipe_1;
-	}
 	err = rpcauth_init_credcache(auth);
 	if (err)
-		goto err_unlink_pipe_0;
+		goto err_unlink_pipes;
 
 	return auth;
-err_unlink_pipe_0:
-	rpc_unlink(gss_auth->pipe[0]->dentry);
-err_unlink_pipe_1:
-	rpc_unlink(gss_auth->pipe[1]->dentry);
+err_unlink_pipes:
+	gss_pipes_dentries_destroy_net(clnt, auth);
 err_destroy_pipe_0:
 	rpc_destroy_pipe_data(gss_auth->pipe[0]);
 err_destroy_pipe_1:
@@ -853,8 +905,7 @@ out_dec:
 static void
 gss_free(struct gss_auth *gss_auth)
 {
-	rpc_unlink(gss_auth->pipe[0]->dentry);
-	rpc_unlink(gss_auth->pipe[1]->dentry);
+	gss_pipes_dentries_destroy_net(gss_auth->client, &gss_auth->rpc_auth);
 	rpc_destroy_pipe_data(gss_auth->pipe[0]);
 	rpc_destroy_pipe_data(gss_auth->pipe[1]);
 	gss_mech_put(gss_auth->mech);