if (h) 
if (h) { memset(h, 0, sizeof(*h)); 
static struct emc_handler *alloc_emc_handler(void){	struct emc_handler *h = kmalloc(sizeof(*h), GFP_KERNEL);	if (h)		spin_lock_init(&h->lock);	return h;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/f1daa40b638891a62e1be40f78d752c500265362/dm-emc.c/buggy/drivers/md/dm-emc.c