[norov:fnb 16/37] arch/powerpc/kvm/mpic.c:296:26: error: 'irq' undeclared; did you mean 'rq'?

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

tree:   https://github.com/norov/linux fnb
head:   870b9f6edf53871a5cc4aaf858054d8362c49989
commit: 0b41d6e7a357f08fd23dec2bc204af5af38d7072 [16/37] power: kvm: use for_each_set_bit() in IRQ_check()
config: powerpc-randconfig-001-20250712 (https://download.01.org/0day-ci/archive/20250712/202507120418.vAX30xSH-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250712/202507120418.vAX30xSH-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/202507120418.vAX30xSH-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/bitmap.h:11,
                    from include/linux/cpumask.h:12,
                    from include/linux/smp.h:13,
                    from include/linux/lockdep.h:14,
                    from include/linux/spinlock.h:63,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:7,
                    from include/linux/slab.h:16,
                    from arch/powerpc/kvm/mpic.c:26:
   arch/powerpc/kvm/mpic.c: In function 'IRQ_check':
>> arch/powerpc/kvm/mpic.c:296:26: error: 'irq' undeclared (first use in this function); did you mean 'rq'?
     296 |         for_each_set_bit(irq, q->queue, opp->max_irq) {
         |                          ^~~
   include/linux/find.h:586:15: note: in definition of macro 'for_each_set_bit'
     586 |         for ((bit) = 0; (bit) = find_next_bit((addr), (size), (bit)), (bit) < (size); (bit)++)
         |               ^~~
   arch/powerpc/kvm/mpic.c:296:26: note: each undeclared identifier is reported only once for each function it appears in
     296 |         for_each_set_bit(irq, q->queue, opp->max_irq) {
         |                          ^~~
   include/linux/find.h:586:15: note: in definition of macro 'for_each_set_bit'
     586 |         for ((bit) = 0; (bit) = find_next_bit((addr), (size), (bit)), (bit) < (size); (bit)++)
         |               ^~~
   include/linux/find.h:586:69: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     586 |         for ((bit) = 0; (bit) = find_next_bit((addr), (size), (bit)), (bit) < (size); (bit)++)
         |                                                                     ^
   arch/powerpc/kvm/mpic.c:296:9: note: in expansion of macro 'for_each_set_bit'
     296 |         for_each_set_bit(irq, q->queue, opp->max_irq) {
         |         ^~~~~~~~~~~~~~~~


vim +296 arch/powerpc/kvm/mpic.c

   290	
   291	static void IRQ_check(struct openpic *opp, struct irq_queue *q)
   292	{
   293		int next = -1;
   294		int priority = -1;
   295	
 > 296		for_each_set_bit(irq, q->queue, opp->max_irq) {
   297			pr_debug("IRQ_check: irq %d set ivpr_pr=%d pr=%d\n",
   298				irq, IVPR_PRIORITY(opp->src[irq].ivpr), priority);
   299	
   300			if (IVPR_PRIORITY(opp->src[irq].ivpr) > priority) {
   301				next = irq;
   302				priority = IVPR_PRIORITY(opp->src[irq].ivpr);
   303			}
   304		}
   305	
   306		q->next = next;
   307		q->priority = priority;
   308	}
   309	

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