csio_mem_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
{
loff_t pos = *ppos;
- loff_t avail = file->f_path.dentry->d_inode->i_size;
+ loff_t avail = file_inode(file)->i_size;
unsigned int mem = (uintptr_t)file->private_data & 3;
struct csio_hw *hw = file->private_data - mem;