static int cx24116_firmware_ondemand(struct dvb_frontend *fe)
{
	struct cx24116_state *state = fe->demodulator_priv;
	const struct firmware *fw;
	int ret = 0;

	dprintk("%s()\n", __func__);

	if (cx24116_readreg(state, 0x20) > 0) {

		if (state->skip_fw_load)
			return 0;

		/* Load firmware */
		/* request the firmware, this will block until loaded */
		printk(KERN_INFO "%s: Waiting for firmware upload (%s)...\n",
			__func__, CX24116_DEFAULT_FIRMWARE);
		ret = request_firmware(&fw, CX24116_DEFAULT_FIRMWARE,
			state->i2c->dev.parent);
		printk(KERN_INFO "%s: Waiting for firmware upload(2)...\n",
			__func__);
		if (ret) {
			printk(KERN_ERR "%s: No firmware uploaded "
				"(timeout or file not found?)\n", __func__);
			return ret;
		}

		/* Make sure we don't recurse back through here
		 * during loading */
		state->skip_fw_load = 1;

		ret = cx24116_load_firmware(fe, fw);
		if (ret)
			printk(KERN_ERR "%s: Writing firmware to device failed\n",
				__func__);

		release_firmware(fw);

		printk(KERN_INFO "%s: Firmware upload %s\n", __func__,
			ret == 0 ? "complete" : "failed");

		/* Ensure firmware is always loaded if required */
		state->skip_fw_load = 0;
	}

	return ret;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.