Protect the btif config state with a lock during cleanup

Bug: 64186300
Test: Code compilation, enable/disable Bluetooth
Change-Id: Ic2397a128d59c9cc69cbd8252734b69eb7c02501
(cherry picked from commit a4febd6d0460ee0f5834822ca406a4b8bab28cf1)

parent 6f7ec2c4

system/btif/src/btif_config.cc

+3 −1

Original line number	Diff line number	Diff line
		@@ -231,8 +231,10 @@ static future_t* clean_up(void) {
		btif_config_flush();

		alarm_free(config_timer);
		config_free(config);
		config_timer = NULL;

		std::unique_lock<std::mutex> lock(config_lock);
		config_free(config);
		config = NULL;
		return future_new_immediate(FUTURE_SUCCESS);
		}