From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subash Abhinov Kasiviswanathan Subject: [PATCH net-next 3/6] net: qualcomm: rmnet: Allow only one rmnet dev per muxid per real dev Date: Sun, 3 Dec 2017 23:37:05 -0700 Message-ID: <1512369428-20455-4-git-send-email-subashab@codeaurora.org> References: <1512369428-20455-1-git-send-email-subashab@codeaurora.org> Cc: Subash Abhinov Kasiviswanathan To: davem@davemloft.net, netdev@vger.kernel.org Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:36522 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753135AbdLDGhc (ORCPT ); Mon, 4 Dec 2017 01:37:32 -0500 In-Reply-To: <1512369428-20455-1-git-send-email-subashab@codeaurora.org> Sender: netdev-owner@vger.kernel.org List-ID: Upon de-multiplexing data from one real dev, the packets can be sent to an unique rmnet device for a given mux id. Signed-off-by: Subash Abhinov Kasiviswanathan --- drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c index 9caa5e3..5bb29f4 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c @@ -185,6 +185,9 @@ int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev, if (ep->egress_dev) return -EINVAL; + if (rmnet_get_endpoint(port, id)) + return -EBUSY; + rc = register_netdevice(rmnet_dev); if (!rc) { ep->egress_dev = rmnet_dev; -- 1.9.1