input_unregister_device(&m68kspkr_dev); 
input_unregister_device(m68kspkr_dev); 
static void __exit m68kspkr_exit(void){        input_unregister_device(&m68kspkr_dev);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/76b7cddfd576331761e945a508254abad11039e9/m68kspkr.c/buggy/drivers/input/misc/m68kspkr.c