#include <linux/moduleparam.h>
#include <linux/mutex.h>
#include <linux/freezer.h>
+#include <linux/semaphore.h>
#include <asm/atomic.h>
-#include <asm/semaphore.h>
#include "csr.h"
#include "highlevel.h"
return 0;
driver = container_of(drv, struct hpsb_protocol_driver, driver);
- for (id = driver->id_table; id->match_flags != 0; id++) {
+ id = driver->id_table;
+ if (!id)
+ return 0;
+
+ for (; id->match_flags != 0; id++) {
if ((id->match_flags & IEEE1394_MATCH_VENDOR_ID) &&
id->vendor_id != ud->vendor_id)
continue;