ENOIOCTLCMD for unknown ioctls. */
long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
{
- struct block_device *bdev = file->f_dentry->d_inode->i_bdev;
+ struct block_device *bdev = file->f_path.dentry->d_inode->i_bdev;
struct gendisk *disk = bdev->bd_disk;
int ret = -ENOIOCTLCMD;
if (disk->fops->compat_ioctl) {