diff options
Diffstat (limited to 'linux/drivers/media/video/meye.c')
| -rw-r--r-- | linux/drivers/media/video/meye.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/linux/drivers/media/video/meye.c b/linux/drivers/media/video/meye.c index 331cb6d1f..535443887 100644 --- a/linux/drivers/media/video/meye.c +++ b/linux/drivers/media/video/meye.c @@ -848,21 +848,16 @@ again: static int meye_open(struct inode *inode, struct file *file) { - int i, err; + int i; - lock_kernel(); - err = video_exclusive_open(inode, file); - if (err < 0) { - unlock_kernel(); - 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); - unlock_kernel(); + clear_bit(0, &meye.in_use); return -ENOBUFS; } @@ -870,7 +865,6 @@ static int meye_open(struct inode *inode, struct file *file) meye.grab_buffer[i].state = MEYE_BUF_UNUSED; kfifo_reset(meye.grabq); kfifo_reset(meye.doneq); - unlock_kernel(); return 0; } @@ -878,7 +872,7 @@ 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; } |