[tglx-devel:irq/core 10/15] kernel/irq/manage.c:2069:15: warning: unused variable 'ret'

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git irq/core
head:   441c9c1a006b0553ee042b3bd979e3f004b3292c
commit: 2e6275cf004188e749d79ba9b357ab47a94c4bfd [10/15] genirq: Cache the condition for /proc/interrupts exposure
config: x86_64-rhel-9.4-ltp (https://download.01.org/0day-ci/archive/20260331/202603310450.oEYtwqul-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260331/202603310450.oEYtwqul-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/202603310450.oEYtwqul-lkp@intel.com/

All warnings (new ones prefixed by >>):

   kernel/irq/manage.c: In function 'free_nmi':
>> kernel/irq/manage.c:2069:15: warning: unused variable 'ret' [-Wunused-variable]
    2069 |         void *ret;
         |               ^~~


vim +/ret +2069 kernel/irq/manage.c

  2065	
  2066	const void *free_nmi(unsigned int irq, void *dev_id)
  2067	{
  2068		struct irq_desc *desc = irq_to_desc(irq);
> 2069		void *ret;
  2070	
  2071		if (!desc || WARN_ON(!irq_is_nmi(desc)))
  2072			return NULL;
  2073	
  2074		if (WARN_ON(irq_settings_is_per_cpu_devid(desc)))
  2075			return NULL;
  2076	
  2077		/* NMI still enabled */
  2078		if (WARN_ON(desc->depth == 0))
  2079			disable_nmi_nosync(irq);
  2080	
  2081		return __cleanup_nmi(irq, desc);
  2082	}
  2083	

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