[m68knommu:for-next 9/11] arch/m68k/kernel/process.c:208:7: warning: unused variable 'fpustate'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu.git for-next
head:   bab9058f2048514bb8db75712a9aca3833f92bb8
commit: 126219c5a0cdb283f9ff2933ae0ac9f43b760918 [9/11] m68k: always make available dump_fpu()
config: m68k-allnoconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 4.9.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 126219c5a0cdb283f9ff2933ae0ac9f43b760918
        # save the attached .config to linux build tree
        make.cross ARCH=m68k 

All warnings (new ones prefixed by >>):

   arch/m68k/kernel/process.c: In function 'dump_fpu':
>> arch/m68k/kernel/process.c:208:7: warning: unused variable 'fpustate' [-Wunused-variable]
     char fpustate[216];
          ^

vim +/fpustate +208 arch/m68k/kernel/process.c

fde39441 Greg Ungerer 2012-02-09  192  						"m" (p->thread.fpcntl[0])
fde39441 Greg Ungerer 2012-02-09  193  					      : "memory");
fde39441 Greg Ungerer 2012-02-09  194  			}
fde39441 Greg Ungerer 2012-02-09  195  		}
fde39441 Greg Ungerer 2012-02-09  196  
fde39441 Greg Ungerer 2012-02-09  197  		/* Restore the state in case the fpu was busy */
fde39441 Greg Ungerer 2012-02-09  198  		asm volatile ("frestore %0" : : "m" (p->thread.fpstate[0]));
fde39441 Greg Ungerer 2012-02-09  199  	}
fde39441 Greg Ungerer 2012-02-09  200  #endif /* CONFIG_FPU */
fde39441 Greg Ungerer 2012-02-09  201  
fde39441 Greg Ungerer 2012-02-09  202  	return 0;
fde39441 Greg Ungerer 2012-02-09  203  }
fde39441 Greg Ungerer 2012-02-09  204  
fde39441 Greg Ungerer 2012-02-09  205  /* Fill in the fpu structure for a core dump.  */
fde39441 Greg Ungerer 2012-02-09  206  int dump_fpu (struct pt_regs *regs, struct user_m68kfp_struct *fpu)
fde39441 Greg Ungerer 2012-02-09  207  {
fde39441 Greg Ungerer 2012-02-09 @208  	char fpustate[216];
fde39441 Greg Ungerer 2012-02-09  209  
fde39441 Greg Ungerer 2012-02-09  210  	if (FPU_IS_EMU) {
fde39441 Greg Ungerer 2012-02-09  211  		int i;
fde39441 Greg Ungerer 2012-02-09  212  
fde39441 Greg Ungerer 2012-02-09  213  		memcpy(fpu->fpcntl, current->thread.fpcntl, 12);
fde39441 Greg Ungerer 2012-02-09  214  		memcpy(fpu->fpregs, current->thread.fp, 96);
fde39441 Greg Ungerer 2012-02-09  215  		/* Convert internal fpu reg representation
fde39441 Greg Ungerer 2012-02-09  216  		 * into long double format

:::::: The code at line 208 was first introduced by commit
:::::: fde3944141c70b264aace92334b297a05233e179 m68k: merge the MMU and non-MMU versions of process.c

:::::: TO: Greg Ungerer <[email protected]>
:::::: CC: Greg Ungerer <[email protected]>

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