[tip:WIP.irq 28/46] kernel/irq/proc.c:329: warning: unused variable 'irqp'

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.irq
head:   989f773f2a8a820efdb7895775a78f445ef7bd87
commit: fc6228af67f07a91af910029f8f49a3967e080ff [28/46] genirq/proc: Replace 
ever repeating type cast
config: x86_64-randconfig-a0-06191213 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
        git checkout fc6228af67f07a91af910029f8f49a3967e080ff
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   kernel/irq/proc.c: In function 'register_irq_proc':
>> kernel/irq/proc.c:329: warning: unused variable 'irqp'

vim +/irqp +329 kernel/irq/proc.c

   313                                          !name_unique(irq, action))
   314                  return;
   315  
   316          snprintf(name, MAX_NAMELEN, "%s", action->name);
   317  
   318          /* create /proc/irq/1234/handler/ */
   319          action->dir = proc_mkdir(name, desc->dir);
   320  }
   321  
   322  #undef MAX_NAMELEN
   323  
   324  #define MAX_NAMELEN 10
   325  
   326  void register_irq_proc(unsigned int irq, struct irq_desc *desc)
   327  {
   328          static DEFINE_MUTEX(register_lock);
 > 329          void *irqp = (void *)(unsigned long) irq;
   330          char name [MAX_NAMELEN];
   331  
   332          if (!root_irq_dir || (desc->irq_data.chip == &no_irq_chip))
   333                  return;
   334  
   335          /*
   336           * irq directories are registered only when a handler is
   337           * added, not when the descriptor is created, so multiple

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.config.gz
Description: application/gzip