USB: legousbtower: drop redundant open_count check (b5a80252) · Commits · 戴 / test

Drop redundant open_count check in release; the open count is used as a flag and is only set to 0 or 1. Signed-off-by:

drivers/usb/misc/legousbtower.c

+0 −8

Original line number	Diff line number	Diff line
		@@ -421,13 +421,6 @@ static int tower_release (struct inode inode, struct file file)

		mutex_lock(&dev->lock);

		if (dev->open_count != 1) {
		dev_dbg(&dev->udev->dev, "%s: device not opened exactly once\n",
		__func__);
		retval = -ENODEV;
		goto unlock_exit;
		}

		if (dev->disconnected) {
		/* the device was unplugged before the file was released */

		@@ -444,7 +437,6 @@ static int tower_release (struct inode inode, struct file file)
		tower_abort_transfers (dev);
		dev->open_count = 0;

		unlock_exit:
		mutex_unlock(&dev->lock);
		exit:
		return retval;