csis: Check if group exist before rank sort

It may happen that read response will come after group removement.
This would cover against null pointer dereference.

Tag: #feature
Bug: 278514112
Test: atest CsisClientTest
Change-Id: I34bb2687609bae250f6f3a4a1c51aab777da6cbc

parent 3336e90b

system/bta/csis/csis_client.cc

+5 −0

Original line number	Diff line number	Diff line
		@@ -1106,6 +1106,11 @@ class CsisClientImpl : public CsisClient {

		csis_instance->SetRank((value[0]));
		auto csis_group = FindCsisGroup(csis_instance->GetGroupId());
		if (!csis_group) {
		LOG(ERROR) << __func__ << " Unknown group id yet";
		return;
		}

		csis_group->SortByCsisRank();

		if (notify_valid_services) NotifyCsisDeviceValidAndStoreIfNeeded(device);