From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arun Kumar Neelakantam Subject: [PATCH 1/2] net: qrtr: Broadcast messages only from control port Date: Wed, 4 Jul 2018 19:49:32 +0530 Message-ID: <1530713973-26696-2-git-send-email-aneela@codeaurora.org> References: <1530713973-26696-1-git-send-email-aneela@codeaurora.org> Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Arun Kumar Neelakantam , Florian Westphal , Nicolas Dechesne , Denys Vlasenko To: davem@davemloft.net, bjorn.andersson@linaro.org Return-path: In-Reply-To: <1530713973-26696-1-git-send-email-aneela@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org The broadcast node id should only be sent with the control port id. Signed-off-by: Arun Kumar Neelakantam --- net/qrtr/qrtr.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c index 2aa07b5..7ffc9a3 100644 --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -764,6 +764,10 @@ static int qrtr_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) node = NULL; if (addr->sq_node == QRTR_NODE_BCAST) { enqueue_fn = qrtr_bcast_enqueue; + if (addr->sq_port != QRTR_PORT_CTRL) { + release_sock(sk); + return -ENOTCONN; + } } else if (addr->sq_node == ipc->us.sq_node) { enqueue_fn = qrtr_local_enqueue; } else { -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project