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Bluetooth: Mesh: Fix ignoring invalid Transport OpCode as LPN

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MESH/NODE/FRND/LPN/BI-02-C requires us to ignore unknown Transport
OpCodes instead of treating them as valid responses to a Friend Poll.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Johan Hedberg 2017-11-05 22:17:01 +02:00 • committed by Johan Hedberg
commit ada5771d7c
1 changed files with 5 additions and 1 deletions
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6
subsys/bluetooth/host/mesh/transport.c
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@ -1267,8 +1267,12 @@ int bt_mesh_trans_recv(struct net_buf_simple *buf, struct bt_mesh_net_rx *rx)
* bt_mesh_lpn_waiting_update() function will return false:
* we still need to go through the actual sending to the bearer and
* wait for ReceiveDelay before transitioning to WAIT_UPDATE state.
*
* ENOENT is a special condition that's only used to indicate that
* the Transport OpCode was invalid, in which case we should ignore
* the PDU completely, as per MESH/NODE/FRND/LPN/BI-02-C.
*/
if (IS_ENABLED(CONFIG_BT_MESH_LOW_POWER) &&
if (IS_ENABLED(CONFIG_BT_MESH_LOW_POWER) && err != -ENOENT &&
bt_mesh_lpn_established() && bt_mesh_lpn_waiting_update()) {
bt_mesh_lpn_msg_received(rx);
}