Hi Enric,

I love your patch! Perhaps something to improve:

url:    
https://github.com/0day-ci/linux/commits/Enric-Balletbo-i-Serra/mfd-cros_ec-use-devm_mfd_add_devices/20181123-025253

smatch warnings:
drivers/platform/chrome/cros_ec_sysfs.c:366 cros_ec_sysfs_probe() warn: 
variable dereferenced before check 'ec_dev' (see line 362)

# 
https://github.com/0day-ci/linux/commit/b3074e331f36fff8890e7bd5c1f5874f4c59d38f
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout b3074e331f36fff8890e7bd5c1f5874f4c59d38f
vim +/ec_dev +366 drivers/platform/chrome/cros_ec_sysfs.c

b3074e33 Enric Balletbo i Serra 2018-11-22  358  
b3074e33 Enric Balletbo i Serra 2018-11-22  359  static int 
cros_ec_sysfs_probe(struct platform_device *pd)
b3074e33 Enric Balletbo i Serra 2018-11-22  360  {
b3074e33 Enric Balletbo i Serra 2018-11-22  361         struct cros_ec_dev 
*ec_dev = dev_get_drvdata(pd->dev.parent);
b3074e33 Enric Balletbo i Serra 2018-11-22 @362         struct cros_ec_platform 
*ec_platform = dev_get_platdata(ec_dev->dev);
                                                                                
                                ^^^^^^^^^^^
b3074e33 Enric Balletbo i Serra 2018-11-22  363         struct device *dev = 
&pd->dev;
b3074e33 Enric Balletbo i Serra 2018-11-22  364         int ret;
b3074e33 Enric Balletbo i Serra 2018-11-22  365  
b3074e33 Enric Balletbo i Serra 2018-11-22 @366         if (!ec_dev) {
                                                             ^^^^^^
Presumable this test can be removed?

b3074e33 Enric Balletbo i Serra 2018-11-22  367                 dev_err(dev, 
"No EC dev found\n");
b3074e33 Enric Balletbo i Serra 2018-11-22  368                 return -EINVAL;
b3074e33 Enric Balletbo i Serra 2018-11-22  369         }
b3074e33 Enric Balletbo i Serra 2018-11-22  370  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Reply via email to