[tip:x86/bugs 2/4] drivers/base/cpu.c:512:9: warning: no previous prototype for 'cpu_show_not_affected'

From: kernel test robot
Date: Thu Aug 10 2023 - 07:13:14 EST


Hi Borislav,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/bugs
head: cbe8ded48b939b9d55d2c5589ab56caa7b530709
commit: 0fddfe338210aa018137c03030c581f5ea4be282 [2/4] driver core: cpu: Unify redundant silly stubs
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230810/202308101956.oRj1ls7s-lkp@xxxxxxxxx/config)
compiler: alpha-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230810/202308101956.oRj1ls7s-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308101956.oRj1ls7s-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/base/cpu.c:512:9: warning: no previous prototype for 'cpu_show_not_affected' [-Wmissing-prototypes]
512 | ssize_t cpu_show_not_affected(struct device *dev,
| ^~~~~~~~~~~~~~~~~~~~~
drivers/base/cpu.c:537:16: warning: no previous prototype for 'cpu_show_gds' [-Wmissing-prototypes]
537 | ssize_t __weak cpu_show_gds(struct device *dev,
| ^~~~~~~~~~~~


vim +/cpu_show_not_affected +512 drivers/base/cpu.c

510
511 #ifdef CONFIG_GENERIC_CPU_VULNERABILITIES
> 512 ssize_t cpu_show_not_affected(struct device *dev,
513 struct device_attribute *attr, char *buf)
514 {
515 return sysfs_emit(buf, "Not affected\n");
516 }
517

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