static int meye_open(struct inode *inode, struct file *file)
{
- int i, err;
+ int i;
- err = video_exclusive_open(inode, file);
- if (err < 0)
- return err;
+ if (test_and_set_bit(0, &meye.in_use))
+ return -EBUSY;
mchip_hic_stop();
if (mchip_dma_alloc()) {
printk(KERN_ERR "meye: mchip framebuffer allocation failed\n");
- video_exclusive_release(inode, file);
+ clear_bit(0, &meye.in_use);
return -ENOBUFS;
}
{
mchip_hic_stop();
mchip_dma_free();
- video_exclusive_release(inode, file);
+ clear_bit(0, &meye.in_use);
return 0;
}
goto outnotdev;
}
+ ret = -ENOMEM;
meye.mchip_dev = pcidev;
meye.video_dev = video_device_alloc();
if (!meye.video_dev) {
goto outnotdev;
}
- ret = -ENOMEM;
meye.grab_temp = vmalloc(MCHIP_NB_PAGES_MJPEG * PAGE_SIZE);
if (!meye.grab_temp) {
printk(KERN_ERR "meye: grab buffer allocation failed\n");