From mboxrd@z Thu Jan  1 00:00:00 1970
From: Leon Romanovsky <leon@kernel.org>
Subject: [PATCH iproute2-next 05/10] rdma: Check that port index exists before operate on link layer
Date: Wed, 27 Dec 2017 09:57:54 +0200
Message-ID: <20171227075759.15289-6-leon@kernel.org>
References: <20171227075759.15289-1-leon@kernel.org>
Cc: Leon Romanovsky <leonro@mellanox.com>,
        netdev <netdev@vger.kernel.org>,
        Stephen Hemminger <stephen@networkplumber.org>
To: David Ahern <dsahern@gmail.com>
Return-path: <netdev-owner@vger.kernel.org>
Received: from mail.kernel.org ([198.145.29.99]:46770 "EHLO mail.kernel.org"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1751339AbdL0H6g (ORCPT <rfc822;netdev@vger.kernel.org>);
        Wed, 27 Dec 2017 02:58:36 -0500
In-Reply-To: <20171227075759.15289-1-leon@kernel.org>
Sender: netdev-owner@vger.kernel.org
List-ID: <netdev.vger.kernel.org>

From: Leon Romanovsky <leonro@mellanox.com>

Link layer operates on port layer, hence it should check
it existence before execution commands.

Fixes: da990ab40a92 ("rdma: Add link object")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
 rdma/link.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rdma/link.c b/rdma/link.c
index f0eaccbb..d9392289 100644
--- a/rdma/link.c
+++ b/rdma/link.c
@@ -277,6 +277,9 @@ static int link_one_show(struct rd *rd)
 		{ 0 }
 	};
 
+	if (!rd->port_idx)
+		return 0;
+
 	return rd_exec_cmd(rd, cmds, "parameter");
 }
 
-- 
2.15.1