4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arun Kumar Neelakantam <[email protected]>

[ Upstream commit d27e77a3de2866b0a772803fd03cd667b5ff8a9a ]

All the control messages broadcast to remote routers are using
QRTR_NODE_BCAST instead of using local router NODE ID which cause
the packets to be dropped on remote router due to invalid NODE ID.

Signed-off-by: Arun Kumar Neelakantam <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 net/qrtr/qrtr.c |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -191,8 +191,13 @@ static int qrtr_node_enqueue(struct qrtr
        hdr->type = cpu_to_le32(type);
        hdr->src_node_id = cpu_to_le32(from->sq_node);
        hdr->src_port_id = cpu_to_le32(from->sq_port);
-       hdr->dst_node_id = cpu_to_le32(to->sq_node);
-       hdr->dst_port_id = cpu_to_le32(to->sq_port);
+       if (to->sq_port == QRTR_PORT_CTRL) {
+               hdr->dst_node_id = cpu_to_le32(node->nid);
+               hdr->dst_port_id = cpu_to_le32(QRTR_NODE_BCAST);
+       } else {
+               hdr->dst_node_id = cpu_to_le32(to->sq_node);
+               hdr->dst_port_id = cpu_to_le32(to->sq_port);
+       }
 
        hdr->size = cpu_to_le32(len);
        hdr->confirm_rx = 0;


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