Fix hid host coverity issue - not set null after free

[Root Cause]
After timer is freed, not set timer NULL.

[Solution]
Set timer NULL.

Bug: 301369984
Test: atest net_test_btif pass

Change-Id: Ide030e58e23a2802e9e2fbb50433c7376dc7dc62

parent c7066ef9

system/stack/hid/hidh_api.cc

+1 −0

Original line number	Diff line number	Diff line
		@@ -308,6 +308,7 @@ tHID_STATUS HID_HostDeregister(void) {
		for (i = 0; i < HID_HOST_MAX_DEVICES; i++) {
		HID_HostRemoveDev(i);
		alarm_free(hh_cb.devices[i].conn.process_repage_timer);
		hh_cb.devices[i].conn.process_repage_timer = NULL;
		}

		hidh_conn_dereg();