qcacld-3.0: Initialize peer_unmap_timer during peer attach

Initialize peer_unmap_timer during peer attach instead of at the
time of peer detach. Then ol_txrx_unref_delete can destroy
the timer without peer detach getting called earlier.

CRs-Fixed: 2014183
Change-Id: Icebec27d5562350871a89b5cf71ae99f096feee8

core/dp/txrx/ol_txrx.c

@@ -2459,6 +2459,8 @@ ol_txrx_peer_attach(struct cdp_vdev *pvdev, uint8_t *peer_mac_addr)
 	qdf_atomic_inc(&peer->ref_cnt);
 
 	peer->valid = 1;
+	qdf_mc_timer_init(&peer->peer_unmap_timer, QDF_TIMER_TYPE_SW,
+			  peer_unmap_timer_handler, peer);
 
 	ol_txrx_peer_find_hash_add(pdev, peer);
 
@@ -3147,10 +3149,7 @@ int ol_txrx_peer_unref_delete(ol_txrx_peer_handle peer)
 			vdev->wait_on_peer_id = OL_TXRX_INVALID_LOCAL_PEER_ID;
 		}
 
-		if (vdev->opmode == wlan_op_mode_sta) {
-			qdf_mc_timer_stop(&peer->peer_unmap_timer);
-			qdf_mc_timer_destroy(&peer->peer_unmap_timer);
-		}
+		qdf_mc_timer_destroy(&peer->peer_unmap_timer);
 
 		/* check whether the parent vdev has no peers left */
 		if (TAILQ_EMPTY(&vdev->peer_list)) {
@@ -3366,8 +3365,6 @@ static void ol_txrx_peer_detach(void *ppeer)
 	 * Create a timer to track unmap events when the sta peer gets deleted.
 	 */
 	if (vdev->opmode == wlan_op_mode_sta) {
-		qdf_mc_timer_init(&peer->peer_unmap_timer, QDF_TIMER_TYPE_SW,
-				  peer_unmap_timer_handler, peer);
 		qdf_mc_timer_start(&peer->peer_unmap_timer,
 				   OL_TXRX_PEER_UNMAP_TIMEOUT);
 		ol_txrx_info("started peer_unmap_timer for peer %p", peer);