V4L/DVB (8780): v4l: replace the last uses of video_exclusive_open/release

Handle the video_exclusive_open/release functionality inside the
driver.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 5 insertions, 11 deletions

diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c
index 102a5b9cfd1..6418f4a78f2 100644
--- a/drivers/media/video/meye.c
+++ b/drivers/media/video/meye.c
@@ -843,21 +843,16 @@ 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;
         }
 
@@ -865,7 +860,6 @@ 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;
 }
 
@@ -873,7 +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;
 }