Merge pull request lkl#33 from valx90/lab04-fix-wrong-todo-numbers

lab04: exercises: Fix TODO numbers.

tools/labs/templates/device_drivers/kernel/so2_cdev.c

@@ -39,7 +39,7 @@ struct so2_device_data {
  /* TODO 4/2: add buffer with BUFSIZ elements */
  char buffer[BUFSIZ];
  size_t size;
- /* TODO 6/2: extra members for home */
+ /* TODO 7/2: extra members for home */
  wait_queue_head_t wq;
  int flag;
  /* TODO 3/1: add atomic_t access variable to keep track if file is opened */
@@ -90,7 +90,7 @@ so2_cdev_read(struct file *file,
  size_t to_read;
 
 #ifdef EXTRA
- /* TODO 6/6: extra tasks for home */
+ /* TODO 7/6: extra tasks for home */
  if (!data->size) {
  if (file->f_flags & O_NONBLOCK)
  return -EAGAIN;
@@ -123,7 +123,7 @@ so2_cdev_write(struct file *file,
  return -EFAULT;
  *offset += size;
  data->size = *offset;
- /* TODO 6/3: extra tasks for home */
+ /* TODO 7/3: extra tasks for home */
 #ifdef EXTRA
  wake_up_interruptible(&data->wq);
 #endif
@@ -140,11 +140,11 @@ so2_cdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
  int remains;
 
  switch (cmd) {
- /* TODO 5/3: if cmd = MY_IOCTL_PRINT, display IOCTL_MESSAGE */
+ /* TODO 6/3: if cmd = MY_IOCTL_PRINT, display IOCTL_MESSAGE */
  case MY_IOCTL_PRINT:
  printk(LOG_LEVEL "%s\n", IOCTL_MESSAGE);
  break;
- /* TODO 6/19: extra tasks, for home */
+ /* TODO 7/19: extra tasks, for home */
  case MY_IOCTL_DOWN:
  data->flag = 0;
  ret = wait_event_interruptible(data->wq, data->flag != 0);
@@ -196,15 +196,15 @@ static int so2_cdev_init(void)
 
  for (i = 0; i < NUM_MINORS; i++) {
 #ifdef EXTRA
- /* TODO 6/2: extra tasks, for home */
+ /* TODO 7/2: extra tasks, for home */
  devs[i].size = 0;
  memset(devs[i].buffer, 0, sizeof(devs[i].buffer));
 #else
  /*TODO 4/2: initialize buffer with MESSAGE string */
  memcpy(devs[i].buffer, MESSAGE, sizeof(MESSAGE));
  devs[i].size = sizeof(MESSAGE);
 #endif
- /* TODO 6/2: extra tasks for home */
+ /* TODO 7/2: extra tasks for home */
  init_waitqueue_head(&devs[i].wq);
  devs[i].flag = 0;
  /* TODO 3/1: set access variable to 0, use atomic_set */