- n = os_write_file_k(fd, &c, sizeof(c));
- if(n != sizeof(c)){
- printk("ping_watchdog - write failed, err = %d\n", -n);
- if(n < 0)
+ n = write(fd, &c, sizeof(c));
+ if (n != sizeof(c)) {
+ printk("ping_watchdog - write failed, ret = %d, err = %d\n",
+ n, errno);
+ if (n < 0)