[jonhunter:tegra/for-next 10/13] drivers/gpio/gpio-tegra.c:591:2: error: 'ret' undeclared; did you mean 'net'?

[kernel test robot <lkp@intel.com>]

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tree:   https://github.com/jonhunter/linux tegra/for-next
head:   6915f42702bbfded22b4121a42fb2e653b51dfe0
commit: 9396c239c960ba11e731c588c84bde0373a20172 [10/13] Revert "gpio: tegra: Ensure pinctrl input-enable is set for interrupts"
config: sparc-randconfig-s032-20210417 (attached as .config)
compiler: sparc-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-280-g2cd6d34e-dirty
        # https://github.com/jonhunter/linux/commit/9396c239c960ba11e731c588c84bde0373a20172
        git remote add jonhunter https://github.com/jonhunter/linux
        git fetch --no-tags jonhunter tegra/for-next
        git checkout 9396c239c960ba11e731c588c84bde0373a20172
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=sparc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/gpio/gpio-tegra.c: In function 'tegra_gpio_irq_request_resources':
>> drivers/gpio/gpio-tegra.c:591:2: error: 'ret' undeclared (first use in this function); did you mean 'net'?
     591 |  ret = gpiochip_reqres_irq(chip, d->hwirq);
         |  ^~~
         |  net
   drivers/gpio/gpio-tegra.c:591:2: note: each undeclared identifier is reported only once for each function it appears in
   drivers/gpio/gpio-tegra.c:596:1: error: control reaches end of non-void function [-Werror=return-type]
     596 | }
         | ^
   cc1: some warnings being treated as errors


vim +591 drivers/gpio/gpio-tegra.c

66fecef5bde078 Thierry Reding 2020-11-27  583  
66fecef5bde078 Thierry Reding 2020-11-27  584  static int tegra_gpio_irq_request_resources(struct irq_data *d)
66fecef5bde078 Thierry Reding 2020-11-27  585  {
66fecef5bde078 Thierry Reding 2020-11-27  586  	struct gpio_chip *chip = irq_data_get_irq_chip_data(d);
66fecef5bde078 Thierry Reding 2020-11-27  587  	struct tegra_gpio_info *tgi = gpiochip_get_data(chip);
66fecef5bde078 Thierry Reding 2020-11-27  588  
9396c239c960ba Jon Hunter     2021-04-17  589  	tegra_gpio_enable(tgi, d->hwirq);
66fecef5bde078 Thierry Reding 2020-11-27  590  
ae9772caf4b5b3 Jon Hunter     2021-02-05 @591  	ret = gpiochip_reqres_irq(chip, d->hwirq);
ae9772caf4b5b3 Jon Hunter     2021-02-05  592  	if (ret < 0)
ae9772caf4b5b3 Jon Hunter     2021-02-05  593  		tegra_gpio_disable(tgi, d->hwirq);
ae9772caf4b5b3 Jon Hunter     2021-02-05  594  
ae9772caf4b5b3 Jon Hunter     2021-02-05  595  	return ret;
66fecef5bde078 Thierry Reding 2020-11-27  596  }
66fecef5bde078 Thierry Reding 2020-11-27  597  

:::::: The code at line 591 was first introduced by commit
:::::: ae9772caf4b5b38fc5f2767ffc2422c68f0d37eb gpio: tegra: Disable the GPIO if requesting IRQ resources fails

:::::: TO: Jon Hunter <jonathanh@nvidia.com>
:::::: CC: Jon Hunter <jonathanh@nvidia.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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