Re: [PATCH] hwspinlock: add a check of devm_regmap_field_alloc in qcom_hwspinlock_probe

From: kernel test robot
Date: Sun Feb 26 2023 - 11:32:09 EST


Hi Kang,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.2]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Kang-Chen/hwspinlock-add-a-check-of-devm_regmap_field_alloc-in-qcom_hwspinlock_probe/20230226-224824
patch link: https://lore.kernel.org/r/20230226144545.4187442-1-void0red%40gmail.com
patch subject: [PATCH] hwspinlock: add a check of devm_regmap_field_alloc in qcom_hwspinlock_probe
config: arm-randconfig-r046-20230226 (https://download.01.org/0day-ci/archive/20230227/202302270016.oJqq1tKy-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/b5a6ded03f6367c5e698c758864f3e569f1f762c
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Kang-Chen/hwspinlock-add-a-check-of-devm_regmap_field_alloc-in-qcom_hwspinlock_probe/20230226-224824
git checkout b5a6ded03f6367c5e698c758864f3e569f1f762c
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/hwspinlock/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202302270016.oJqq1tKy-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

drivers/hwspinlock/qcom_hwspinlock.c: In function 'qcom_hwspinlock_probe':
>> drivers/hwspinlock/qcom_hwspinlock.c:200:47: error: expected ')' before 'return'
200 | if (IS_ERR(bank->lock[i].priv)
| ~ ^
| )
201 | return -ENOMEM;
| ~~~~~~
>> drivers/hwspinlock/qcom_hwspinlock.c:202:9: error: expected expression before '}' token
202 | }
| ^


vim +200 drivers/hwspinlock/qcom_hwspinlock.c

168
169 static int qcom_hwspinlock_probe(struct platform_device *pdev)
170 {
171 struct hwspinlock_device *bank;
172 struct reg_field field;
173 struct regmap *regmap;
174 size_t array_size;
175 u32 stride;
176 u32 base;
177 int i;
178
179 regmap = qcom_hwspinlock_probe_syscon(pdev, &base, &stride);
180 if (IS_ERR(regmap) && PTR_ERR(regmap) == -ENODEV)
181 regmap = qcom_hwspinlock_probe_mmio(pdev, &base, &stride);
182
183 if (IS_ERR(regmap))
184 return PTR_ERR(regmap);
185
186 array_size = QCOM_MUTEX_NUM_LOCKS * sizeof(struct hwspinlock);
187 bank = devm_kzalloc(&pdev->dev, sizeof(*bank) + array_size, GFP_KERNEL);
188 if (!bank)
189 return -ENOMEM;
190
191 platform_set_drvdata(pdev, bank);
192
193 for (i = 0; i < QCOM_MUTEX_NUM_LOCKS; i++) {
194 field.reg = base + i * stride;
195 field.lsb = 0;
196 field.msb = 31;
197
198 bank->lock[i].priv = devm_regmap_field_alloc(&pdev->dev,
199 regmap, field);
> 200 if (IS_ERR(bank->lock[i].priv)
201 return -ENOMEM;
> 202 }
203
204 return devm_hwspin_lock_register(&pdev->dev, bank, &qcom_hwspinlock_ops,
205 0, QCOM_MUTEX_NUM_LOCKS);
206 }
207

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests