On Fri, Oct 15, 2010 at 09:53:57AM +0530, Koul, Vinod wrote:
> > @@ -938,7 +940,7 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd,
> > unsigned long arg)
> > retval = copy_to_user((struct snd_sst_vol *)arg,
> > &get_vol, sizeof(get_vol));
> > if (retval) {
> > - retval = -EIO;
> > + retval = -EFAULT;
> > break;
> > }
> > /*sst_print_get_vol_info(str_id, &get_vol);*/
> Since retval is not used and value assigned is supposed to be -EFAULT,
> how about this?
> if(copy_to_user())
> return -EIO;
>
No. No. retval is used. We can't return directly because we need to
call unlock_kernel().
regards,
dan carpenter
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