drivers/media/pci/solo6x10/solo6x10-gpio.c:165: warning: unused variable 'ret'

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   cd4175b11685b11c40e31a03e05084cc212b0649
commit: d3202d1981dc5a5f03f9afc96480619b48b60124 media: solo6x10: export 
hardware GPIO pins 8:31 to gpiolib interface
date:   7 weeks ago
config: x86_64-randconfig-a0-09241049 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
        git checkout d3202d1981dc5a5f03f9afc96480619b48b60124
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers/media/pci/solo6x10/solo6x10-gpio.c: In function 'solo_gpio_init':
>> drivers/media/pci/solo6x10/solo6x10-gpio.c:165: warning: unused variable 
>> 'ret'

vim +/ret +165 drivers/media/pci/solo6x10/solo6x10-gpio.c

   162  
   163  int solo_gpio_init(struct solo_dev *solo_dev)
   164  {
 > 165          int ret;
   166  
   167          solo_gpio_config(solo_dev);
   168  #ifdef CONFIG_GPIOLIB
   169          solo_dev->gpio_dev.label = SOLO6X10_NAME"_gpio";
   170          solo_dev->gpio_dev.parent = &solo_dev->pdev->dev;
   171          solo_dev->gpio_dev.owner = THIS_MODULE;
   172          solo_dev->gpio_dev.base = -1;
   173          solo_dev->gpio_dev.ngpio = 24;
   174          solo_dev->gpio_dev.can_sleep = 0;
   175  
   176          solo_dev->gpio_dev.get_direction = solo_gpiochip_get_direction;
   177          solo_dev->gpio_dev.direction_input = 
solo_gpiochip_direction_input;
   178          solo_dev->gpio_dev.direction_output = 
solo_gpiochip_direction_output;
   179          solo_dev->gpio_dev.get = solo_gpiochip_get;
   180          solo_dev->gpio_dev.set = solo_gpiochip_set;
   181  
   182          ret = gpiochip_add_data(&solo_dev->gpio_dev, solo_dev);
   183  
   184          if (ret) {
   185                  solo_dev->gpio_dev.label = NULL;
   186                  return -1;
   187          }
   188  #endif
   189          return 0;
   190  }
   191  

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.config.gz
Description: application/gzip