#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/timer.h>
+#include <linux/jiffies.h>
#include "csr1212.h"
#include "ieee1394.h"
int i;
int hostnum = 0;
- h = kmalloc(sizeof(struct hpsb_host) + extra, SLAB_KERNEL);
- if (!h) return NULL;
- memset(h, 0, sizeof(struct hpsb_host) + extra);
+ h = kzalloc(sizeof(*h) + extra, SLAB_KERNEL);
+ if (!h)
+ return NULL;
h->csr.rom = csr1212_create_csr(&csr_bus_ops, CSR_BUS_INFO_SIZE, h);
if (!h->csr.rom) {
/* IEEE 1394a-2000 prohibits using the same generation number
* twice in a 60 second period. */
- if (jiffies - host->csr.gen_timestamp[next_gen] < 60 * HZ)
+ if (time_before(jiffies, host->csr.gen_timestamp[next_gen] + 60 * HZ))
/* Wait 60 seconds from the last time this generation number was
* used. */
reset_delay = (60 * HZ) + host->csr.gen_timestamp[next_gen] - jiffies;