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Add dai id check before accessing the array element. This ensures that the offset of an array must be a valid index. Signed-off-by: Trevor Wu --- sound/soc/mediatek/mt8195/mt8195-dai-adda.c | 17 +- sound/soc/mediatek/mt8195/mt8195-dai-etdm.c | 177 +++++++++++++++++--- sound/soc/mediatek/mt8195/mt8195-dai-pcm.c | 26 ++- 3 files changed, 185 insertions(+), 35 deletions(-) diff --git a/sound/soc/mediatek/mt8195/mt8195-dai-adda.c b/sound/soc/mediatek/mt8195/mt8195-dai-adda.c index f04bd1781356..0dd35255066b 100644 --- a/sound/soc/mediatek/mt8195/mt8195-dai-adda.c +++ b/sound/soc/mediatek/mt8195/mt8195-dai-adda.c @@ -704,13 +704,18 @@ static int mtk_dai_adda_hw_params(struct snd_pcm_substream *substream, { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_adda_priv *adda_priv = afe_priv->dai_priv[dai->id]; + struct mtk_dai_adda_priv *adda_priv; unsigned int rate = params_rate(params); - int id = dai->id; - int ret = 0; + int ret; + + if (dai->id != MT8195_AFE_IO_DL_SRC && + dai->id != MT8195_AFE_IO_UL_SRC1 && + dai->id != MT8195_AFE_IO_UL_SRC2) + return -EINVAL; + adda_priv = afe_priv->dai_priv[dai->id]; dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n", - __func__, id, substream->stream, rate); + __func__, dai->id, substream->stream, rate); if (rate > ADDA_HIRES_THRES) adda_priv->hires_required = 1; @@ -718,9 +723,9 @@ static int mtk_dai_adda_hw_params(struct snd_pcm_substream *substream, adda_priv->hires_required = 0; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - ret = mtk_dai_da_configure(afe, rate, id); + ret = mtk_dai_da_configure(afe, rate, dai->id); else - ret = mtk_dai_ad_configure(afe, rate, id); + ret = mtk_dai_ad_configure(afe, rate, dai->id); return ret; } diff --git a/sound/soc/mediatek/mt8195/mt8195-dai-etdm.c b/sound/soc/mediatek/mt8195/mt8195-dai-etdm.c index f2c9a1fdbe0d..eedb9165f911 100644 --- a/sound/soc/mediatek/mt8195/mt8195-dai-etdm.c +++ b/sound/soc/mediatek/mt8195/mt8195-dai-etdm.c @@ -137,6 +137,38 @@ static const struct mtk_dai_etdm_rate mt8195_etdm_rates[] = { { .rate = 352800, .reg_value = 21, }, }; +static bool mt8195_afe_etdm_is_valid(int id) +{ + switch (id) { + case MT8195_AFE_IO_ETDM1_IN: + fallthrough; + case MT8195_AFE_IO_ETDM2_IN: + fallthrough; + case MT8195_AFE_IO_ETDM1_OUT: + fallthrough; + case MT8195_AFE_IO_ETDM2_OUT: + fallthrough; + case MT8195_AFE_IO_DPTX: + fallthrough; + case MT8195_AFE_IO_ETDM3_OUT: + return true; + default: + return false; + } +} + +static bool mt8195_afe_hdmitx_dptx_is_valid(int id) +{ + switch (id) { + case MT8195_AFE_IO_DPTX: + fallthrough; + case MT8195_AFE_IO_ETDM3_OUT: + return true; + default: + return false; + } +} + static int get_etdm_fs_timing(unsigned int rate) { int i; @@ -236,8 +268,12 @@ static int is_cowork_mode(struct snd_soc_dai *dai) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai->id]; + struct mtk_dai_etdm_priv *etdm_data; + if (!mt8195_afe_etdm_is_valid(dai->id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai->id]; return (etdm_data->cowork_slv_count > 0 || etdm_data->cowork_source_id != COWORK_ETDM_NONE); } @@ -264,8 +300,14 @@ static int get_etdm_cowork_master_id(struct snd_soc_dai *dai) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai->id]; - int dai_id = etdm_data->cowork_source_id; + struct mtk_dai_etdm_priv *etdm_data; + int dai_id; + + if (!mt8195_afe_etdm_is_valid(dai->id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai->id]; + dai_id = etdm_data->cowork_source_id; if (dai_id == COWORK_ETDM_NONE) dai_id = dai->id; @@ -1276,9 +1318,13 @@ static int mt8195_afe_enable_etdm(struct mtk_base_afe *afe, int dai_id) int ret = 0; struct etdm_con_reg etdm_reg; struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai_id]; + struct mtk_dai_etdm_priv *etdm_data; unsigned long flags; + if (!mt8195_afe_etdm_is_valid(dai_id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai_id]; spin_lock_irqsave(&afe_priv->afe_ctrl_lock, flags); etdm_data->en_ref_cnt++; if (etdm_data->en_ref_cnt == 1) { @@ -1299,9 +1345,13 @@ static int mt8195_afe_disable_etdm(struct mtk_base_afe *afe, int dai_id) int ret = 0; struct etdm_con_reg etdm_reg; struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai_id]; + struct mtk_dai_etdm_priv *etdm_data; unsigned long flags; + if (!mt8195_afe_etdm_is_valid(dai_id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai_id]; spin_lock_irqsave(&afe_priv->afe_ctrl_lock, flags); if (etdm_data->en_ref_cnt > 0) { etdm_data->en_ref_cnt--; @@ -1357,12 +1407,16 @@ static int etdm_cowork_slv_sel(int id, int slave_mode) static int mt8195_etdm_sync_mode_configure(struct mtk_base_afe *afe, int dai_id) { struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai_id]; + struct mtk_dai_etdm_priv *etdm_data; unsigned int reg = 0; unsigned int mask; unsigned int val; int cowork_source_sel; + if (!mt8195_afe_etdm_is_valid(dai_id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai_id]; if (etdm_data->cowork_source_id == COWORK_ETDM_NONE) return 0; @@ -1532,8 +1586,10 @@ static int mtk_dai_etdm_startup(struct snd_pcm_substream *substream, if (is_cowork_mode(dai)) { mst_dai_id = get_etdm_cowork_master_id(dai); - mtk_dai_etdm_enable_mclk(afe, mst_dai_id); + if (!mt8195_afe_etdm_is_valid(mst_dai_id)) + return -EINVAL; + mtk_dai_etdm_enable_mclk(afe, mst_dai_id); cg_id = mtk_dai_etdm_get_cg_id_by_dai_id(mst_dai_id); if (cg_id >= 0) mt8195_afe_enable_clk(afe, afe_priv->clk[cg_id]); @@ -1571,6 +1627,9 @@ static void mtk_dai_etdm_shutdown(struct snd_pcm_substream *substream, if (is_cowork_mode(dai)) { mst_dai_id = get_etdm_cowork_master_id(dai); + if (!mt8195_afe_etdm_is_valid(mst_dai_id)) + return; + cg_id = mtk_dai_etdm_get_cg_id_by_dai_id(mst_dai_id); if (cg_id >= 0) mt8195_afe_disable_clk(afe, afe_priv->clk[cg_id]); @@ -1631,16 +1690,24 @@ static int mtk_dai_etdm_in_configure(struct mtk_base_afe *afe, int dai_id) { struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai_id]; + struct mtk_dai_etdm_priv *etdm_data; struct etdm_con_reg etdm_reg; - bool slave_mode = etdm_data->slave_mode; - unsigned int data_mode = etdm_data->data_mode; - unsigned int lrck_width = etdm_data->lrck_width; + bool slave_mode; + unsigned int data_mode; + unsigned int lrck_width; unsigned int val = 0; unsigned int mask = 0; int i; int ret; + if (!mt8195_afe_etdm_is_valid(dai_id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai_id]; + slave_mode = etdm_data->slave_mode; + data_mode = etdm_data->data_mode; + lrck_width = etdm_data->lrck_width; + dev_dbg(afe->dev, "%s rate %u channels %u, id %d\n", __func__, rate, channels, dai_id); @@ -1748,15 +1815,22 @@ static int mtk_dai_etdm_out_configure(struct mtk_base_afe *afe, int dai_id) { struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai_id]; + struct mtk_dai_etdm_priv *etdm_data; struct etdm_con_reg etdm_reg; - bool slave_mode = etdm_data->slave_mode; - unsigned int lrck_width = etdm_data->lrck_width; + bool slave_mode; + unsigned int lrck_width; unsigned int val = 0; unsigned int mask = 0; int ret; int fs = 0; + if (!mt8195_afe_etdm_is_valid(dai_id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai_id]; + slave_mode = etdm_data->slave_mode; + lrck_width = etdm_data->lrck_width; + dev_dbg(afe->dev, "%s rate %u channels %u, id %d\n", __func__, rate, channels, dai_id); @@ -1837,7 +1911,7 @@ static int mtk_dai_etdm_out_configure(struct mtk_base_afe *afe, static int mtk_dai_etdm_mclk_configure(struct mtk_base_afe *afe, int dai_id) { struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai_id]; + struct mtk_dai_etdm_priv *etdm_data; int clk_id = mtk_dai_etdm_get_clk_id_by_dai_id(dai_id); int clkdiv_id = mtk_dai_etdm_get_clkdiv_id_by_dai_id(dai_id); int apll; @@ -1850,6 +1924,10 @@ static int mtk_dai_etdm_mclk_configure(struct mtk_base_afe *afe, int dai_id) if (clk_id < 0 || clkdiv_id < 0) return 0; + if (!mt8195_afe_etdm_is_valid(dai_id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai_id]; ret = get_etdm_reg(dai_id, &etdm_reg); if (ret < 0) return ret; @@ -1888,9 +1966,9 @@ static int mtk_dai_etdm_configure(struct mtk_base_afe *afe, int dai_id) { struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai_id]; + struct mtk_dai_etdm_priv *etdm_data; struct etdm_con_reg etdm_reg; - bool slave_mode = etdm_data->slave_mode; + bool slave_mode; unsigned int etdm_channels; unsigned int val = 0; unsigned int mask = 0; @@ -1898,6 +1976,11 @@ static int mtk_dai_etdm_configure(struct mtk_base_afe *afe, unsigned int wlen = get_etdm_wlen(bit_width); int ret; + if (!mt8195_afe_etdm_is_valid(dai_id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai_id]; + slave_mode = etdm_data->slave_mode; ret = get_etdm_reg(dai_id, &etdm_reg); if (ret < 0) return ret; @@ -1973,6 +2056,8 @@ static int mtk_dai_etdm_hw_params(struct snd_pcm_substream *substream, if (is_cowork_mode(dai)) { mst_dai_id = get_etdm_cowork_master_id(dai); + if (!mt8195_afe_etdm_is_valid(mst_dai_id)) + return -EINVAL; ret = mtk_dai_etdm_mclk_configure(afe, mst_dai_id); if (ret) @@ -2024,6 +2109,9 @@ static int mtk_dai_etdm_trigger(struct snd_pcm_substream *substream, int cmd, case SNDRV_PCM_TRIGGER_RESUME: if (is_cowork_mode(dai)) { mst_dai_id = get_etdm_cowork_master_id(dai); + if (!mt8195_afe_etdm_is_valid(mst_dai_id)) + return -EINVAL; + mst_etdm_data = afe_priv->dai_priv[mst_dai_id]; //open master first @@ -2040,6 +2128,9 @@ static int mtk_dai_etdm_trigger(struct snd_pcm_substream *substream, int cmd, case SNDRV_PCM_TRIGGER_SUSPEND: if (is_cowork_mode(dai)) { mst_dai_id = get_etdm_cowork_master_id(dai); + if (!mt8195_afe_etdm_is_valid(mst_dai_id)) + return -EINVAL; + mst_etdm_data = afe_priv->dai_priv[mst_dai_id]; for (i = 0; i < mst_etdm_data->cowork_slv_count; i++) { @@ -2061,10 +2152,14 @@ static int mtk_dai_etdm_trigger(struct snd_pcm_substream *substream, int cmd, static int mtk_dai_etdm_cal_mclk(struct mtk_base_afe *afe, int freq, int dai_id) { struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai_id]; + struct mtk_dai_etdm_priv *etdm_data; int apll; int apll_rate; + if (!mt8195_afe_etdm_is_valid(dai_id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai_id]; if (freq == 0) { etdm_data->mclk_freq = freq; return 0; @@ -2104,6 +2199,9 @@ static int mtk_dai_etdm_set_sysclk(struct snd_soc_dai *dai, else dai_id = dai->id; + if (!mt8195_afe_etdm_is_valid(dai_id)) + return -EINVAL; + etdm_data = afe_priv->dai_priv[dai_id]; etdm_data->mclk_dir = dir; return mtk_dai_etdm_cal_mclk(afe, freq, dai_id); @@ -2115,8 +2213,12 @@ static int mtk_dai_etdm_set_tdm_slot(struct snd_soc_dai *dai, { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai->id]; + struct mtk_dai_etdm_priv *etdm_data; + + if (!mt8195_afe_etdm_is_valid(dai->id)) + return -EINVAL; + etdm_data = afe_priv->dai_priv[dai->id]; dev_dbg(dai->dev, "%s id %d slot_width %d\n", __func__, dai->id, slot_width); @@ -2129,8 +2231,12 @@ static int mtk_dai_etdm_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai->id]; + struct mtk_dai_etdm_priv *etdm_data; + + if (!mt8195_afe_etdm_is_valid(dai->id)) + return -EINVAL; + etdm_data = afe_priv->dai_priv[dai->id]; switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: etdm_data->format = MTK_DAI_ETDM_FORMAT_I2S; @@ -2248,13 +2354,18 @@ static int mtk_dai_hdmitx_dptx_hw_params(struct snd_pcm_substream *substream, { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai->id]; + struct mtk_dai_etdm_priv *etdm_data; unsigned int rate = params_rate(params); unsigned int channels = params_channels(params); snd_pcm_format_t format = params_format(params); int width = snd_pcm_format_physical_width(format); int ret = 0; + if (!mt8195_afe_hdmitx_dptx_is_valid(dai->id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai->id]; + /* dptx configure */ if (dai->id == MT8195_AFE_IO_DPTX) { regmap_update_bits(afe->regmap, AFE_DPTX_CON, @@ -2331,7 +2442,12 @@ static int mtk_dai_hdmitx_dptx_set_sysclk(struct snd_soc_dai *dai, { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai->id]; + struct mtk_dai_etdm_priv *etdm_data; + + if (!mt8195_afe_hdmitx_dptx_is_valid(dai->id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai->id]; dev_dbg(dai->dev, "%s id %d freq %u, dir %d\n", __func__, dai->id, freq, dir); @@ -2370,10 +2486,14 @@ static int mtk_dai_etdm_probe(struct snd_soc_dai *dai) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai->id]; + struct mtk_dai_etdm_priv *etdm_data; dev_dbg(dai->dev, "%s id %d\n", __func__, dai->id); + if (!mt8195_afe_etdm_is_valid(dai->id)) + return -EINVAL; + + etdm_data = afe_priv->dai_priv[dai->id]; if (etdm_data->mclk_freq) { dev_dbg(afe->dev, "MCLK always on, rate %d\n", etdm_data->mclk_freq); @@ -2477,6 +2597,11 @@ static void mt8195_etdm_update_sync_info(struct mtk_base_afe *afe) etdm_data = afe_priv->dai_priv[i]; if (etdm_data->cowork_source_id != COWORK_ETDM_NONE) { mst_dai_id = etdm_data->cowork_source_id; + if (!mt8195_afe_etdm_is_valid(mst_dai_id)) { + dev_err(afe->dev, "%s invalid dai id %d\n", + __func__, mst_dai_id); + return; + } mst_data = afe_priv->dai_priv[mst_dai_id]; if (mst_data->cowork_source_id != COWORK_ETDM_NONE) dev_info(afe->dev, "%s [%d] wrong sync source\n" @@ -2513,6 +2638,12 @@ static void mt8195_dai_etdm_parse_of(struct mtk_base_afe *afe) for (i = 0; i < MT8195_AFE_IO_ETDM_NUM; i++) { dai_id = ETDM_TO_DAI_ID(i); + if (!mt8195_afe_etdm_is_valid(dai_id)) { + dev_err(afe->dev, "%s invalid dai id %d\n", + __func__, dai_id); + return; + } + etdm_data = afe_priv->dai_priv[dai_id]; ret = snprintf(prop, sizeof(prop), diff --git a/sound/soc/mediatek/mt8195/mt8195-dai-pcm.c b/sound/soc/mediatek/mt8195/mt8195-dai-pcm.c index 051433689ff5..6d6d79300d51 100644 --- a/sound/soc/mediatek/mt8195/mt8195-dai-pcm.c +++ b/sound/soc/mediatek/mt8195/mt8195-dai-pcm.c @@ -122,17 +122,26 @@ static int mtk_dai_pcm_configure(struct snd_pcm_substream *substream, struct snd_pcm_runtime * const runtime = substream->runtime; struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_pcmif_priv *pcmif_priv = afe_priv->dai_priv[dai->id]; - unsigned int slave_mode = pcmif_priv->slave_mode; - unsigned int lrck_inv = pcmif_priv->lrck_inv; - unsigned int bck_inv = pcmif_priv->bck_inv; - unsigned int fmt = pcmif_priv->format; + struct mtk_dai_pcmif_priv *pcmif_priv; + unsigned int slave_mode; + unsigned int lrck_inv; + unsigned int bck_inv; + unsigned int fmt; unsigned int bit_width = dai->sample_bits; unsigned int val = 0; unsigned int mask = 0; int fs = 0; int mode = 0; + if (dai->id != MT8195_AFE_IO_PCM) + return -EINVAL; + + pcmif_priv = afe_priv->dai_priv[dai->id]; + slave_mode = pcmif_priv->slave_mode; + lrck_inv = pcmif_priv->lrck_inv; + bck_inv = pcmif_priv->bck_inv; + fmt = pcmif_priv->format; + /* sync freq mode */ fs = mt8195_afe_fs_timing(runtime->rate); if (fs < 0) @@ -230,10 +239,15 @@ static int mtk_dai_pcm_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt8195_afe_private *afe_priv = afe->platform_priv; - struct mtk_dai_pcmif_priv *pcmif_priv = afe_priv->dai_priv[dai->id]; + struct mtk_dai_pcmif_priv *pcmif_priv; dev_dbg(dai->dev, "%s fmt 0x%x\n", __func__, fmt); + if (dai->id != MT8195_AFE_IO_PCM) + return -EINVAL; + + pcmif_priv = afe_priv->dai_priv[dai->id]; + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: pcmif_priv->format = MTK_DAI_PCM_FMT_I2S;