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Date: Wed, 4 Jul 2018 19:49:32 +0530 From: Arun Kumar Neelakantam <aneela@...eaurora.org> To: davem@...emloft.net, bjorn.andersson@...aro.org Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, Arun Kumar Neelakantam <aneela@...eaurora.org>, Florian Westphal <fw@...len.de>, Nicolas Dechesne <nicolas.dechesne@...aro.org>, Denys Vlasenko <dvlasenk@...hat.com> Subject: [PATCH 1/2] net: qrtr: Broadcast messages only from control port The broadcast node id should only be sent with the control port id. Signed-off-by: Arun Kumar Neelakantam <aneela@...eaurora.org> --- 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
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