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

From: kbuild test robot
Date: Sat Sep 23 2017 - 23:38:51 EST


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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Attachment: .config.gz
Description: application/gzip