Merge "ASoC: msm: qdsp6v2: DAP: Add check to validate param length" into msm-4.9 (2b48c887) · Commits · e / devices / android_kernel_fairphone_FP3

sound/soc/msm/qdsp6v2/msm-dolby-dap-config.c

+10 −1

Original line number	Diff line number	Diff line
		/* Copyright (c) 2013-2014, 2017 The Linux Foundation. All rights reserved.
		/* Copyright (c) 2013-2014, 2016-2017 The Linux Foundation. All rights reserved.
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		* only version 2 as published by the Free Software Foundation.
		@@ -18,6 +18,10 @@

		#include "msm-dolby-dap-config.h"

		#ifndef DOLBY_PARAM_VCNB_MAX_LENGTH
		#define DOLBY_PARAM_VCNB_MAX_LENGTH 40
		#endif

		/* dolby endp based parameters */
		struct dolby_dap_endp_params_s {
		int device;
		@@ -899,6 +903,11 @@ int msm_dolby_dap_param_visualizer_control_get(struct snd_kcontrol *kcontrol,
		DOLBY_PARAM_PAYLOAD_SIZE * sizeof(uint32_t);
		int port_id, copp_idx, idx;

		if (length > DOLBY_PARAM_VCNB_MAX_LENGTH \|\| length <= 0) {
		pr_err("%s Incorrect VCNB length", __func__);
		ucontrol->value.integer.value[0] = 0;
		return -EINVAL;
		}
		for (idx = 0; idx < AFE_MAX_PORTS; idx++) {
		port_id = dolby_dap_params_states.port_id[idx];
		copp_idx = dolby_dap_params_states.copp_idx[idx];