if(users)
return -EBUSY;
users++;
- MOD_INC_USE_COUNT;
return 0;
}
static int radio_close(struct video_device *dev)
{
users--;
- MOD_DEC_USE_COUNT;
}
</programlisting>
if(request_irq(irq, camera_irq, 0, "camera", dev)<0)
return -EBUSY;
users++;
- MOD_INC_USE_COUNT;
return 0;
}
{
users--;
free_irq(irq, dev);
- MOD_DEC_USE_COUNT;
}
</programlisting>
<para>