#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/slab.h>
-#include <linux/kref.h>
#include <linux/usb.h>
#include <linux/mm.h>
urb = dev->isobufs[i].urb;
if (urb) {
- if (atomic_read(&dev->urbs_used))
+ if (atomic_read(&dev->urbs_used) && is_present(dev))
usb_kill_urb(urb);
usb_free_urb(urb);
}
{
struct stk_camera *dev = fp->private_data;
- if (dev->owner != fp) {
- usb_autopm_put_interface(dev->interface);
- return 0;
+ if (dev->owner == fp) {
+ stk_stop_stream(dev);
+ stk_free_buffers(dev);
+ dev->owner = NULL;
}
- stk_stop_stream(dev);
-
- stk_free_buffers(dev);
-
- dev->owner = NULL;
-
- usb_autopm_put_interface(dev->interface);
+ if(is_present(dev))
+ usb_autopm_put_interface(dev->interface);
return 0;
}
struct stk_sio_buffer *sbuf;
struct stk_camera *dev = fp->private_data;
- if (dev == NULL)
- return -EIO;
-
if (!is_present(dev))
return -EIO;
if (dev->owner && dev->owner != fp)
{
struct stk_camera *dev = fp->private_data;
- if (dev == NULL)
- return -ENODEV;
-
poll_wait(fp, &dev->wait_frame, wait);
if (!is_present(dev))
STK_ERROR("v4l registration failed\n");
else
STK_INFO("Syntek USB2.0 Camera is now controlling video device"
- " /dev/video%d\n", dev->vdev.minor);
+ " /dev/video%d\n", dev->vdev.num);
return err;
}
wake_up_interruptible(&dev->wait_frame);
stk_remove_sysfs_files(&dev->vdev);
- STK_INFO("Syntek USB2.0 Camera release resources"
- "video device /dev/video%d\n", dev->vdev.minor);
+ STK_INFO("Syntek USB2.0 Camera release resources "
+ "video device /dev/video%d\n", dev->vdev.num);
video_unregister_device(&dev->vdev);
}