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path: root/drivers/media/video/meye.c
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Diffstat (limited to 'drivers/media/video/meye.c')
-rw-r--r--drivers/media/video/meye.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c
index 7c8ef6ac6c3..6418f4a78f2 100644
--- a/drivers/media/video/meye.c
+++ b/drivers/media/video/meye.c
@@ -843,17 +843,16 @@ again:
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;
}
@@ -868,7 +867,7 @@ static int meye_release(struct inode *inode, struct file *file)
{
mchip_hic_stop();
mchip_dma_free();
- video_exclusive_release(inode, file);
+ clear_bit(0, &meye.in_use);
return 0;
}
@@ -1774,6 +1773,7 @@ static int __devinit meye_probe(struct pci_dev *pcidev,
goto outnotdev;
}
+ ret = -ENOMEM;
meye.mchip_dev = pcidev;
meye.video_dev = video_device_alloc();
if (!meye.video_dev) {
@@ -1781,7 +1781,6 @@ static int __devinit meye_probe(struct pci_dev *pcidev,
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");
@@ -1806,6 +1805,7 @@ static int __devinit meye_probe(struct pci_dev *pcidev,
memcpy(meye.video_dev, &meye_template, sizeof(meye_template));
meye.video_dev->parent = &meye.mchip_dev->dev;
+ ret = -EIO;
if ((ret = sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 1))) {
printk(KERN_ERR "meye: unable to power on the camera\n");
printk(KERN_ERR "meye: did you enable the camera in "
@@ -1813,7 +1813,6 @@ static int __devinit meye_probe(struct pci_dev *pcidev,
goto outsonypienable;
}
- ret = -EIO;
if ((ret = pci_enable_device(meye.mchip_dev))) {
printk(KERN_ERR "meye: pci_enable_device failed\n");
goto outenabledev;