static int configure_memory()

in eisa_enumerator.c [75:112]

• 31 lines of code
• 5 McCabe index (conditional complexity)

static int configure_memory(const unsigned char *buf, 
		       struct resource *mem_parent,
		       char *name)
{
	int len;
	u_int8_t c;
	int i;
	struct resource *res;
	
	len=0;
	
	for (i=0;i<HPEE_MEMORY_MAX_ENT;i++) {
		c = get_8(buf+len);
		
		if (NULL != (res = kzalloc(sizeof(struct resource), GFP_KERNEL))) {
			int result;
			
			res->name = name;
			res->start = mem_parent->start + get_24(buf+len+2);
			res->end = res->start + get_16(buf+len+5)*1024;
			res->flags = IORESOURCE_MEM;
			pr_cont("memory %pR ", res);
			result = request_resource(mem_parent, res);
			if (result < 0) {
				printk(KERN_ERR "EISA Enumerator: failed to claim EISA Bus address space!\n");
				return result;
			}
		}
		 	
		len+=7;      
	
		if (!(c & HPEE_MEMORY_MORE)) {
			break;
		}
	}
	
	return len;
}