TT#97301 fix bit-setting of negative log levels

Change-Id: I383645d874f17a128385aae8a0f1e3f7f9b99ff3

daemon/redis.c

@@ -1956,7 +1956,8 @@ int redis_restore(struct redis *r) {
 
 err:
 	for (unsigned int i = 0; i < num_log_levels; i++)
-		rtpe_config.common.log_levels[i] &= ~LOG_FLAG_RESTORE;
+		if (rtpe_config.common.log_levels[i] > 0)
+			rtpe_config.common.log_levels[i] &= ~LOG_FLAG_RESTORE;
 	return ret;
 }