V4L/DVB (12776): tm6000: decrement users count

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/tm6000/tm6000-video.c

@@ -1441,8 +1441,12 @@ static int tm6000_release(struct inode *inode, struct file *file)
 
 	dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (minor=%d, users=%d)\n",minor,dev->users);
 
+	dev->users--;
+
+	if (!dev->users) {
 		tm6000_stop_thread(vidq);
 		videobuf_mmap_free(&fh->vb_vidq);
+	}
 
 	kfree (fh);