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Message-ID: <20191118133430.GB3979@intel.com>
Date: Mon, 18 Nov 2019 21:34:30 +0800
From: Philip Li <philip.li@...el.com>
To: vishnu <vravulap@....com>
Cc: Julia Lawall <julia.lawall@...6.fr>,
Ravulapati Vishnu vardhan rao
<Vishnuvardhanrao.Ravulapati@....com>, Alexander.Deucher@....com,
djkurtz@...gle.com, Akshu.Agrawal@....com,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Vijendar Mukunda <Vijendar.Mukunda@....com>,
Maruthi Srinivas Bayyavarapu <Maruthi.Bayyavarapu@....com>,
Sanju R Mehta <sanju.mehta@....com>,
Dan Carpenter <dan.carpenter@...cle.com>,
Colin Ian King <colin.king@...onical.com>,
"moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..."
<alsa-devel@...a-project.org>,
open list <linux-kernel@...r.kernel.org>,
kbuild-all@...ts.01.org
Subject: Re: [kbuild-all] Re: [PATCH v5 1/6] ASoC: amd:Create multiple I2S
platform device Endpoint (fwd)
On Mon, Nov 18, 2019 at 02:29:01PM +0530, vishnu wrote:
> Hi Julia,
>
> This is not latest version.I have already send V6 version.
> The comment which you gave is for v5 old version.
sorry Vishnu, this is kbuild side problem. We will check
why we didn't block the report when there's new version.
>
>
> Thanks,
> Vishnu
>
> On 17/11/19 4:31 PM, Julia Lawall wrote:
> > On line 70, adata->res is allocated with a devm function, so it shouldn't
> > be passed to kfree later; that will lead to a double free.
> >
> > julia
> >
> > ---------- Forwarded message ----------
> > Date: Sun, 17 Nov 2019 11:44:07 +0800
> > From: kbuild test robot <lkp@...el.com>
> > To: kbuild@...ts.01.org
> > Cc: Julia Lawall <julia.lawall@...6.fr>
> > Subject: Re: [PATCH v5 1/6] ASoC: amd:Create multiple I2S platform device
> > Endpoint
> >
> > In-Reply-To: <1573629249-13272-2-git-send-email-Vishnuvardhanrao.Ravulapati@....com>
> > References: <1573629249-13272-2-git-send-email-Vishnuvardhanrao.Ravulapati@....com>
> >
> > Hi Ravulapati,
> >
> > Thank you for the patch! Perhaps something to improve:
> >
> > [auto build test WARNING on asoc/for-next]
> > [cannot apply to v5.4-rc7 next-20191115]
> > [if your patch is applied to the wrong git tree, please drop us a note to help
> > improve the system. BTW, we also suggest to use '--base' option to specify the
> > base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
> >
> > url: https://github.com/0day-ci/linux/commits/Ravulapati-Vishnu-vardhan-rao/ASoC-amd-Create-multiple-I2S-platform-device-Endpoint/20191113-230604
> > base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
> > :::::: branch date: 4 days ago
> > :::::: commit date: 4 days ago
> >
> > If you fix the issue, kindly add following tag
> > Reported-by: kbuild test robot <lkp@...el.com>
> > Reported-by: Julia Lawall <julia.lawall@...6.fr>
> >
> > > > sound/soc/amd/raven/pci-acp3x.c:142:1-6: WARNING: invalid free of devm_ allocated data
> >
> > # https://github.com/0day-ci/linux/commit/79701559637a30a0708febfd5119ad05128b2ba5
> > git remote add linux-review https://github.com/0day-ci/linux
> > git remote update linux-review
> > git checkout 79701559637a30a0708febfd5119ad05128b2ba5
> > vim +142 sound/soc/amd/raven/pci-acp3x.c
> >
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 21
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 22 static int snd_acp3x_probe(struct pci_dev *pci,
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 23 const struct pci_device_id *pci_id)
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 24 {
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 25 int ret;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 26 u32 addr, val, i;
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 27 struct acp3x_dev_data *adata;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 28 struct platform_device_info pdevinfo[ACP3x_DEVS];
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 29 unsigned int irqflags;
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 30
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 31 if (pci_enable_device(pci)) {
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 32 dev_err(&pci->dev, "pci_enable_device failed\n");
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 33 return -ENODEV;
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 34 }
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 35
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 36 ret = pci_request_regions(pci, "AMD ACP3x audio");
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 37 if (ret < 0) {
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 38 dev_err(&pci->dev, "pci_request_regions failed\n");
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 39 goto disable_pci;
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 40 }
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 41
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 42 adata = devm_kzalloc(&pci->dev, sizeof(struct acp3x_dev_data),
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 43 GFP_KERNEL);
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 44 if (!adata) {
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 45 ret = -ENOMEM;
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 46 goto release_regions;
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 47 }
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 48
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 49 /* check for msi interrupt support */
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 50 ret = pci_enable_msi(pci);
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 51 if (ret)
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 52 /* msi is not enabled */
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 53 irqflags = IRQF_SHARED;
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 54 else
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 55 /* msi is enabled */
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 56 irqflags = 0;
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 57
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 58 addr = pci_resource_start(pci, 0);
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 59 adata->acp3x_base = ioremap(addr, pci_resource_len(pci, 0));
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 60 if (!adata->acp3x_base) {
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 61 ret = -ENOMEM;
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 62 goto release_regions;
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 63 }
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 64 pci_set_master(pci);
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 65 pci_set_drvdata(pci, adata);
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 66
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 67 val = rv_readl(adata->acp3x_base + mmACP_I2S_PIN_CONFIG);
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 68 switch (val) {
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 69 case I2S_MODE:
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 70 adata->res = devm_kzalloc(&pci->dev,
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 71 sizeof(struct resource) * 4,
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 72 GFP_KERNEL);
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 73 if (!adata->res) {
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 74 ret = -ENOMEM;
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 75 goto unmap_mmio;
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 76 }
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 77
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 78 adata->res[0].name = "acp3x_i2s_iomem";
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 79 adata->res[0].flags = IORESOURCE_MEM;
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 80 adata->res[0].start = addr;
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 81 adata->res[0].end = addr + (ACP3x_REG_END - ACP3x_REG_START);
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 82
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 83 adata->res[1].name = "acp3x_i2s_sp";
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 84 adata->res[1].flags = IORESOURCE_MEM;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 85 adata->res[1].start = addr + ACP3x_I2STDM_REG_START;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 86 adata->res[1].end = addr + ACP3x_I2STDM_REG_END;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 87
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 88 adata->res[2].name = "acp3x_i2s_bt";
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 89 adata->res[2].flags = IORESOURCE_MEM;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 90 adata->res[2].start = addr + ACP3x_BT_TDM_REG_START;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 91 adata->res[2].end = addr + ACP3x_BT_TDM_REG_END;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 92
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 93 adata->res[3].name = "acp3x_i2s_irq";
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 94 adata->res[3].flags = IORESOURCE_IRQ;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 95 adata->res[3].start = pci->irq;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 96 adata->res[3].end = adata->res[3].start;
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 97
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 98 adata->acp3x_audio_mode = ACP3x_I2S_MODE;
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 99
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 100 memset(&pdevinfo, 0, sizeof(pdevinfo));
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 101 pdevinfo[0].name = "acp3x_rv_i2s_dma";
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 102 pdevinfo[0].id = 0;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 103 pdevinfo[0].parent = &pci->dev;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 104 pdevinfo[0].num_res = 4;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 105 pdevinfo[0].res = &adata->res[0];
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 106 pdevinfo[0].data = &irqflags;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 107 pdevinfo[0].size_data = sizeof(irqflags);
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 108
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 109 pdevinfo[1].name = "acp3x_i2s_playcap";
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 110 pdevinfo[1].id = 0;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 111 pdevinfo[1].parent = &pci->dev;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 112 pdevinfo[1].num_res = 1;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 113 pdevinfo[1].res = &adata->res[1];
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 114
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 115 pdevinfo[2].name = "acp3x_i2s_playcap";
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 116 pdevinfo[2].id = 1;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 117 pdevinfo[2].parent = &pci->dev;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 118 pdevinfo[2].num_res = 1;
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 119 pdevinfo[2].res = &adata->res[2];
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 120 for (i = 0; i < ACP3x_DEVS ; i++) {
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 121 adata->pdev[i] =
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 122 platform_device_register_full(&pdevinfo[i]);
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 123 if (IS_ERR(adata->pdev[i])) {
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 124 dev_err(&pci->dev, "cannot register %s device\n",
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 125 pdevinfo[i].name);
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 126 ret = PTR_ERR(adata->pdev[i]);
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 127 goto unmap_mmio;
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 128 }
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 129 }
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 130 break;
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 131 default:
> > 00347e4ea8ca4c Colin Ian King 2018-11-16 132 dev_err(&pci->dev, "Invalid ACP audio mode : %d\n", val);
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 133 ret = -ENODEV;
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 134 goto unmap_mmio;
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 135 }
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 136 return 0;
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 137
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 138 unmap_mmio:
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 139 pci_disable_msi(pci);
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 140 for (i = 0 ; i < ACP3x_DEVS ; i++)
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 141 platform_device_unregister(adata->pdev[i]);
> > 79701559637a30 Ravulapati Vishnu vardhan rao 2019-11-13 @142 kfree(adata->res);
> > 7894a7e7ea3de6 Vijendar Mukunda 2018-11-12 143 iounmap(adata->acp3x_base);
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 144 release_regions:
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 145 pci_release_regions(pci);
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 146 disable_pci:
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 147 pci_disable_device(pci);
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 148
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 149 return ret;
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 150 }
> > e30d9128def6ca Maruthi Srinivas Bayyavarapu 2018-11-12 151
> >
> > ---
> > 0-DAY kernel test infrastructure Open Source Technology Center
> > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation
> >
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