qcacld-3.0: Reset rmfEnabled for STA VDEV during DEL BSS

When add_bss is done for a STA vdev, the rmfEnabled flag is set
on the wma_txrx_node based on the PE session config. However this flag
is not reset during del_bss which leads to DPP public action frames
sent from supplicant with no session established to be considered
as rmf enabled (due to previous connected rmf session) and adding
additional bytes in the header. This leads to the DPP frame of
incorrect length to be transmitted and the other DPP STA receiving the
frame drops it.

Reset the rmfEnabled flag in wma_vdev_stop_resp_handler if set
previously for the VDEV.

Change-Id: I6ffb1f3efbfc8455768f54155a2abcc8ccf13fe6
CRs-Fixed: 2236476

core/wma/src/wma_dev_if.c

@@ -2002,6 +2002,16 @@ int wma_vdev_stop_resp_handler(void *handle, uint8_t *cmd_param_info,
 	/* vdev in stopped state, no more waiting for key */
 	iface->is_waiting_for_key = false;
 
+	/*
+	 * Reset the rmfEnabled as there might be MGMT action frames
+	 * sent on this vdev before the next session is established.
+	 */
+	if (iface->rmfEnabled) {
+		iface->rmfEnabled = 0;
+		WMA_LOGD(FL("Reset rmfEnabled for vdev %d"),
+			 resp_event->vdev_id);
+	}
+
 	wma_release_wakelock(&iface->vdev_stop_wakelock);
 
 	req_msg = wma_find_vdev_req(wma, resp_event->vdev_id,