Re: [PATCH v4 3/3] Input: Add TouchNetix axiom i2c touchscreen driver

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Hi Kamel,

kernel test robot noticed the following build warnings:

https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Kamel-Bouhara/dt-bindings-vendor-prefixes-Add-TouchNetix-AS/20231204-222017
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
patch link:    https://lore.kernel.org/r/20231204140505.2838916-4-kamel.bouhara%40bootlin.com
patch subject: [PATCH v4 3/3] Input: Add TouchNetix axiom i2c touchscreen driver
config: i386-randconfig-r071-20231206 (https://download.01.org/0day-ci/archive/20231207/202312070608.vxtNAYhk-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231207/202312070608.vxtNAYhk-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
| Closes: https://lore.kernel.org/r/202312070608.vxtNAYhk-lkp@xxxxxxxxx/

smatch warnings:
drivers/input/touchscreen/touchnetix_axiom.c:565 axiom_i2c_probe() warn: passing zero to 'PTR_ERR'

vim +/PTR_ERR +565 drivers/input/touchscreen/touchnetix_axiom.c

a9f3450f06a026 Kamel Bouhara 2023-12-04  536  static int axiom_i2c_probe(struct i2c_client *client)
a9f3450f06a026 Kamel Bouhara 2023-12-04  537  {
a9f3450f06a026 Kamel Bouhara 2023-12-04  538  	struct device *dev = &client->dev;
a9f3450f06a026 Kamel Bouhara 2023-12-04  539  	struct input_dev *input_dev;
a9f3450f06a026 Kamel Bouhara 2023-12-04  540  	struct axiom_data *ts;
a9f3450f06a026 Kamel Bouhara 2023-12-04  541  	u32 startup_delay_ms;
a9f3450f06a026 Kamel Bouhara 2023-12-04  542  	u32 poll_interval;
a9f3450f06a026 Kamel Bouhara 2023-12-04  543  	int target;
a9f3450f06a026 Kamel Bouhara 2023-12-04  544  	int error;
a9f3450f06a026 Kamel Bouhara 2023-12-04  545  
a9f3450f06a026 Kamel Bouhara 2023-12-04  546  	ts = devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL);
a9f3450f06a026 Kamel Bouhara 2023-12-04  547  	if (!ts)
a9f3450f06a026 Kamel Bouhara 2023-12-04  548  		return -ENOMEM;
a9f3450f06a026 Kamel Bouhara 2023-12-04  549  
a9f3450f06a026 Kamel Bouhara 2023-12-04  550  	ts->client = client;
a9f3450f06a026 Kamel Bouhara 2023-12-04  551  	i2c_set_clientdata(client, ts);
a9f3450f06a026 Kamel Bouhara 2023-12-04  552  	ts->dev = dev;
a9f3450f06a026 Kamel Bouhara 2023-12-04  553  
a9f3450f06a026 Kamel Bouhara 2023-12-04  554  	ts->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
a9f3450f06a026 Kamel Bouhara 2023-12-04  555  	if (IS_ERR(ts->reset_gpio))
a9f3450f06a026 Kamel Bouhara 2023-12-04  556  		return dev_err_probe(dev, PTR_ERR(ts->reset_gpio), "failed to get reset GPIO\n");
a9f3450f06a026 Kamel Bouhara 2023-12-04  557  
a9f3450f06a026 Kamel Bouhara 2023-12-04  558  	if (ts->reset_gpio)
a9f3450f06a026 Kamel Bouhara 2023-12-04  559  		axiom_reset(ts->reset_gpio);
a9f3450f06a026 Kamel Bouhara 2023-12-04  560  
a9f3450f06a026 Kamel Bouhara 2023-12-04  561  	ts->vddi = devm_regulator_get_optional(dev, "VDDI");
a9f3450f06a026 Kamel Bouhara 2023-12-04  562  	if (!IS_ERR(ts->vddi)) {
a9f3450f06a026 Kamel Bouhara 2023-12-04  563  		error = regulator_enable(ts->vddi);
a9f3450f06a026 Kamel Bouhara 2023-12-04  564  		if (error)
a9f3450f06a026 Kamel Bouhara 2023-12-04 @565  			return dev_err_probe(&client->dev, PTR_ERR(ts->vddi),
                                                                                                   ^^^^^^^^^^^^^^^^^^
s/PTR_ERR(ts->vddi)/error/

a9f3450f06a026 Kamel Bouhara 2023-12-04  566  					     "Failed to enable VDDI regulator\n");
a9f3450f06a026 Kamel Bouhara 2023-12-04  567  	}
a9f3450f06a026 Kamel Bouhara 2023-12-04  568  

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





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