matteo

int shim_osLoadFWImage(unsigned char *ptr){  unsigned int bytesRead;  mm_segment_t  oldfs;  static struct file *filp;  unsigned int imageLength=0x5ffff;  dgprintf(4, "tn7dsl_read_dsp()\n");  dgprintf(4,"open file %s\n", DSP_FIRMWARE_PATH);  filp=filp_open(DSP_FIRMWARE_PATH,00,O_RDONLY);  if(filp ==NULL)  {    printk("Failed: Could not open DSP binary file\n");          return -1;  }  if (filp->f_dentry != NULL)  {    if (filp->f_dentry->d_inode != NULL)    {      printk ("DSP binary filesize = %d bytes\n",              (int) filp->f_dentry->d_inode->i_size);      imageLength = (unsigned int)filp->f_dentry->d_inode->i_size + 0x200;    }  }  if (filp->f_op->read==NULL)          return -1;  /* File(system) doesn't allow reads */  /*   * Disable parameter checking   */  oldfs = get_fs();  set_fs(KERNEL_DS);  /*   * Now read bytes from postion "StartPos"   */  filp->f_pos = 0;  bytesRead = filp->f_op->read(filp,ptr,imageLength,&filp->f_pos);  dgprintf(4,"file length = %d\n", bytesRead);  set_fs(oldfs);  /*   * Close the file   */  fput(filp);  return bytesRead;}