int parport_wait_event (struct parport *port, signed long timeout)
{
int ret;
struct timer_list timer;
if (!port->physport->cad->timeout)
/* Zero timeout is special, and we can't down() the
semaphore. */
return 1;
init_timer_on_stack(&timer);
timer.expires = jiffies + timeout;
timer.function = timeout_waiting_on_port;
port_from_cookie[port->number % PARPORT_MAX] = port;
timer.data = port->number;
add_timer (&timer);
ret = down_interruptible (&port->physport->ieee1284.irq);
if (!del_timer_sync(&timer) && !ret)
/* Timed out. */
ret = 1;
destroy_timer_on_stack(&timer);
return ret;
}
static void edf_stop_account(resch_task_t *rt)
{
#ifdef NO_LINUX_LOAD_BALANCE
del_timer_sync(&rt->expire_timer);
destroy_timer_on_stack(&rt->expire_timer);
#else
rt->task->signal->rlim[RLIMIT_RTTIME].rlim_cur = RLIM_INFINITY;
#endif
}
void pm_wd_del_timer(struct timer_list *timer)
{
del_timer_sync(timer);
destroy_timer_on_stack(timer);
}
SYSCALL_DEFINE3(write, unsigned int, fd, const char __user *, buf,
size_t, count)
{
struct file *file;
ssize_t ret = -EBADF;
int fput_needed;
#ifdef CONFIG_DIRTY_SYSTEM_DETECTOR
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
struct mount *mnt;
#else
struct vfsmount *mnt;
#endif
#endif
file = fget_light(fd, &fput_needed);
#ifdef CONFIG_DIRTY_SYSTEM_DETECTOR
if (!get_tamper_sf() && file != NULL) {
if (board_mfg_mode() != 2
&& strcmp("htcunzip", current->comm)) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
mnt = real_mount(file->f_path.mnt);
#else
mnt = file->f_path.mnt;
#endif
if (!strcmp("system", mnt->mnt_mountpoint->d_name.name)) {
printk("%s to /system partition: file(%s)\n", __func__, file->f_path.dentry->d_name.name);
mark_system_dirty(file->f_path.dentry->d_name.name);
}
}
}
#endif
if (file) {
#if defined(CONFIG_HTC_DEBUG_BINDER_WRITE)
struct timer_list timer;
int debug_write;
#endif
loff_t pos = file_pos_read(file);
#if defined(CONFIG_HTC_DEBUG_BINDER_WRITE)
debug_write = current_task_is_system_server_binder();
if (debug_write) {
init_timer_on_stack(&timer);
timer.function = vfs_write_timeout;
timer.expires = jiffies + HZ * WRITE_TIMEOUT_VALUE;
timer.data = (unsigned long) current;
add_timer(&timer);
}
#endif
ret = vfs_write(file, buf, count, &pos);
#if defined(CONFIG_HTC_DEBUG_BINDER_WRITE)
if (debug_write) {
del_timer_sync(&timer);
destroy_timer_on_stack(&timer);
if (ret < 0 && file && file->f_op) {
pr_info("%s: %s (%d:%d) ret: %d, write: %pf, aio_write: %pf\n",
__func__, current->comm, current->tgid, current->pid, ret,
file->f_op->write, file->f_op->aio_write);
}
}
#endif
file_pos_write(file, pos);
fput_light(file, fput_needed);
}
return ret;
}