[tty:tty-next 28/31] drivers/tty/serial/max310x.c:1730:1: warning: unused label 'err_spi_register'

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

Hi Hugo,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-next
head:   16e95bfb79b5d9d01dc7651d98caf3c2ace331cd
commit: 20ffe4b3330a8bde9e933e9ba2323d5e9386caa5 [28/31] serial: max310x: allow driver to be built with SPI or I2C
config: i386-randconfig-r121-20260515 (https://download.01.org/0day-ci/archive/20260515/202605150707.I4LYaT6N-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260515/202605150707.I4LYaT6N-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605150707.I4LYaT6N-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/tty/serial/max310x.c:1730:1: warning: unused label 'err_spi_register' [-Wunused-label]
    1730 | err_spi_register:
         | ^~~~~~~~~~~~~~~~~
   drivers/tty/serial/max310x.c:1280:12: warning: unused function 'max310x_probe' [-Wunused-function]
    1280 | static int max310x_probe(struct device *dev, const struct max310x_devtype *devtype,
         |            ^~~~~~~~~~~~~
   drivers/tty/serial/max310x.c:1464:13: warning: unused function 'max310x_remove' [-Wunused-function]
    1464 | static void max310x_remove(struct device *dev)
         |             ^~~~~~~~~~~~~~
>> drivers/tty/serial/max310x.c:1492:29: warning: unused variable 'regcfg' [-Wunused-variable]
    1492 | static struct regmap_config regcfg = {
         |                             ^~~~~~
   drivers/tty/serial/max310x.c:1507:20: warning: unused function 'max310x_regmap_name' [-Wunused-function]
    1507 | static const char *max310x_regmap_name(u8 port_id)
         |                    ^~~~~~~~~~~~~~~~~~~
   5 warnings generated.


vim +/err_spi_register +1730 drivers/tty/serial/max310x.c

2e1f2d9a9bdbe12 Cosmin Tanislav  2022-06-05  1729  
2e1f2d9a9bdbe12 Cosmin Tanislav  2022-06-05 @1730  err_spi_register:
2e1f2d9a9bdbe12 Cosmin Tanislav  2022-06-05  1731  	uart_unregister_driver(&max310x_uart);
2e1f2d9a9bdbe12 Cosmin Tanislav  2022-06-05  1732  
51f689cc1133394 Kangjie Lu       2018-12-25  1733  	return ret;
6286767ad3afc88 Alexander Shiyan 2016-06-07  1734  }
6286767ad3afc88 Alexander Shiyan 2016-06-07  1735  module_init(max310x_uart_init);
6286767ad3afc88 Alexander Shiyan 2016-06-07  1736  

:::::: The code at line 1730 was first introduced by commit
:::::: 2e1f2d9a9bdbe12ee475c82a45ac46a278e8049a serial: max310x: implement I2C support

:::::: TO: Cosmin Tanislav <cosmin.tanislav@analog.com>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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