This code needs some work. You can't just kfree every pointer. YOu have to consider how the pointer was initialized.

julia

---------- Forwarded message ---------- Date: Sun, 17 Nov 2019 12:48:14 +0800 From: kbuild test robot lkp@intel.com To: kbuild@lists.01.org Cc: Julia Lawall julia.lawall@lip6.fr Subject: Re: [alsa-devel] [RESEND PATCH v5 2/6] ASoC: amd: Refactoring of DAI from DMA driver

CC: kbuild-all@lists.01.org In-Reply-To: 1573629249-13272-3-git-send-email-Vishnuvardhanrao.Ravulapati@amd.com References: 1573629249-13272-3-git-send-email-Vishnuvardhanrao.Ravulapati@amd.com CC:

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-... 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@intel.com Reported-by: Julia Lawall julia.lawall@lip6.fr

...

sound/soc/amd/raven/acp3x-i2s.c:245:1-6: WARNING: invalid free of devm_ allocated data

sound/soc/amd/raven/acp3x-i2s.c:248:1-6: WARNING: invalid free of devm_ allocated data sound/soc/amd/raven/acp3x-i2s.c:249:1-6: WARNING: invalid free of devm_ allocated data

# https://github.com/0day-ci/linux/commit/74480eceed0f95f0b8d383d0882b918a335c... git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout 74480eceed0f95f0b8d383d0882b918a335ce0d4 vim +245 sound/soc/amd/raven/acp3x-i2s.c

74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 207 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 208 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 209 static int acp3x_dai_probe(struct platform_device *pdev) 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 210 { 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 211 int status; 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 212 struct resource *res; 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 213 struct i2s_dev_data *adata; 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 214 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 215 adata = devm_kzalloc(&pdev->dev, sizeof(struct i2s_dev_data), 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 216 GFP_KERNEL); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 217 if (!adata) 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 218 return -ENOMEM; 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 219 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 220 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 221 if (!res) { 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 222 dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n"); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 223 goto err; 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 224 } 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 225 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 226 adata->acp3x_base = devm_ioremap(&pdev->dev, res->start, 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 227 resource_size(res)); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 228 if (IS_ERR(adata->acp3x_base)) 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 229 return PTR_ERR(adata->acp3x_base); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 230 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 231 adata->i2s_irq = res->start; 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 232 dev_set_drvdata(&pdev->dev, adata); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 233 status = devm_snd_soc_register_component(&pdev->dev, 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 234 &acp3x_dai_component, 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 235 &acp3x_i2s_dai, 1); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 236 if (status) { 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 237 dev_err(&pdev->dev, "Fail to register acp i2s dai\n"); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 238 goto dev_err; 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 239 } 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 240 pm_runtime_set_autosuspend_delay(&pdev->dev, 10000); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 241 pm_runtime_use_autosuspend(&pdev->dev); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 242 pm_runtime_enable(&pdev->dev); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 243 return 0; 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 244 err: 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 @245 kfree(adata); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 246 return -ENOMEM; 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 247 dev_err: 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 248 kfree(adata->acp3x_base); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 249 kfree(adata); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 250 kfree(res); 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 251 return -ENODEV; 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 252 } 74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 253

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