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Date: Tue, 19 Jul 2022 13:43:26 +0800
From: kernel test robot <lkp@...el.com>
To: Kent Gibson <warthog618@...il.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Bartosz Golaszewski <brgl@...ev.pl>
Subject: gpio-mockup-cdev.c:24:37: warning: unused variable 'req'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ca85855bdcae8f84f1512e88b4c75009ea17ea2f
commit: 4f4d0af7b2d997635b08fabd748673eff1bb12d6 selftests: gpio: restore CFLAGS options
date: 8 months ago
reproduce: make O=/tmp/kselftest -C tools/testing/selftests
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
gpio-mockup-cdev.c: In function 'request_line_v2':
gpio-mockup-cdev.c:24:37: error: storage size of 'req' isn't known
24 | struct gpio_v2_line_request req;
| ^~~
gpio-mockup-cdev.c:32:21: error: 'GPIO_V2_LINE_FLAG_OUTPUT' undeclared (first use in this function); did you mean 'GPIOLINE_FLAG_IS_OUT'?
32 | if (flags & GPIO_V2_LINE_FLAG_OUTPUT) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
| GPIOLINE_FLAG_IS_OUT
gpio-mockup-cdev.c:32:21: note: each undeclared identifier is reported only once for each function it appears in
gpio-mockup-cdev.c:35:47: error: 'GPIO_V2_LINE_ATTR_ID_OUTPUT_VALUES' undeclared (first use in this function)
35 | req.config.attrs[0].attr.id = GPIO_V2_LINE_ATTR_ID_OUTPUT_VALUES;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gpio-mockup-cdev.c:39:26: error: 'GPIO_V2_GET_LINE_IOCTL' undeclared (first use in this function); did you mean 'GPIO_GET_LINEINFO_IOCTL'?
39 | ret = ioctl(cfd, GPIO_V2_GET_LINE_IOCTL, &req);
| ^~~~~~~~~~~~~~~~~~~~~~
| GPIO_GET_LINEINFO_IOCTL
>> gpio-mockup-cdev.c:24:37: warning: unused variable 'req' [-Wunused-variable]
24 | struct gpio_v2_line_request req;
| ^~~
gpio-mockup-cdev.c: In function 'get_value_v2':
gpio-mockup-cdev.c:48:36: error: storage size of 'vals' isn't known
48 | struct gpio_v2_line_values vals;
| ^~~~
gpio-mockup-cdev.c:53:26: error: 'GPIO_V2_LINE_GET_VALUES_IOCTL' undeclared (first use in this function); did you mean 'GPIOHANDLE_GET_LINE_VALUES_IOCTL'?
53 | ret = ioctl(lfd, GPIO_V2_LINE_GET_VALUES_IOCTL, &vals);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| GPIOHANDLE_GET_LINE_VALUES_IOCTL
>> gpio-mockup-cdev.c:48:36: warning: unused variable 'vals' [-Wunused-variable]
48 | struct gpio_v2_line_values vals;
| ^~~~
gpio-mockup-cdev.c: In function 'main':
gpio-mockup-cdev.c:127:20: error: 'GPIO_V2_LINE_FLAG_INPUT' undeclared (first use in this function); did you mean 'GPIOLINE_FLAG_IS_OUT'?
127 | flags_v2 = GPIO_V2_LINE_FLAG_INPUT;
| ^~~~~~~~~~~~~~~~~~~~~~~
| GPIOLINE_FLAG_IS_OUT
gpio-mockup-cdev.c:133:37: error: 'GPIO_V2_LINE_FLAG_ACTIVE_LOW' undeclared (first use in this function); did you mean 'GPIOLINE_FLAG_ACTIVE_LOW'?
133 | flags_v2 |= GPIO_V2_LINE_FLAG_ACTIVE_LOW;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
| GPIOLINE_FLAG_ACTIVE_LOW
gpio-mockup-cdev.c:137:45: error: 'GPIOHANDLE_REQUEST_BIAS_PULL_UP' undeclared (first use in this function); did you mean 'GPIOHANDLE_REQUEST_INPUT'?
137 | flags_v1 |= GPIOHANDLE_REQUEST_BIAS_PULL_UP;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| GPIOHANDLE_REQUEST_INPUT
gpio-mockup-cdev.c:138:45: error: 'GPIO_V2_LINE_FLAG_BIAS_PULL_UP' undeclared (first use in this function)
138 | flags_v2 |= GPIO_V2_LINE_FLAG_BIAS_PULL_UP;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gpio-mockup-cdev.c:140:45: error: 'GPIOHANDLE_REQUEST_BIAS_PULL_DOWN' undeclared (first use in this function); did you mean 'GPIOHANDLE_REQUEST_ACTIVE_LOW'?
140 | flags_v1 |= GPIOHANDLE_REQUEST_BIAS_PULL_DOWN;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| GPIOHANDLE_REQUEST_ACTIVE_LOW
gpio-mockup-cdev.c:141:45: error: 'GPIO_V2_LINE_FLAG_BIAS_PULL_DOWN' undeclared (first use in this function)
141 | flags_v2 |= GPIO_V2_LINE_FLAG_BIAS_PULL_DOWN;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gpio-mockup-cdev.c:143:45: error: 'GPIOHANDLE_REQUEST_BIAS_DISABLE' undeclared (first use in this function); did you mean 'GPIOHANDLE_REQUEST_OPEN_DRAIN'?
143 | flags_v1 |= GPIOHANDLE_REQUEST_BIAS_DISABLE;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| GPIOHANDLE_REQUEST_OPEN_DRAIN
gpio-mockup-cdev.c:144:45: error: 'GPIO_V2_LINE_FLAG_BIAS_DISABLED' undeclared (first use in this function)
144 | flags_v2 |= GPIO_V2_LINE_FLAG_BIAS_DISABLED;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gpio-mockup-cdev.c:152:37: error: 'GPIO_V2_LINE_FLAG_OUTPUT' undeclared (first use in this function); did you mean 'GPIOLINE_FLAG_IS_OUT'?
152 | flags_v2 |= GPIO_V2_LINE_FLAG_OUTPUT;
| ^~~~~~~~~~~~~~~~~~~~~~~~
| GPIOLINE_FLAG_IS_OUT
gpio-mockup-cdev.c: In function 'request_line_v2':
>> gpio-mockup-cdev.c:43:1: warning: control reaches end of non-void function [-Wreturn-type]
43 | }
| ^
--
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