On Thu, Oct 21, 2010 at 07:45:45PM +0530, Koul, Vinod wrote:
> >     case _IOC_NR(SNDRV_SST_STREAM_SET_PARAMS): {
> > -           struct snd_sst_params *str_param = (struct snd_sst_params *)arg;
> > +           struct snd_sst_params str_param;
> Now this is a struct...
> > 
> [snip]
> > +
> >             if (!str_id) {
> So this becomes bogus check, can be removed :-)

The check for str_id?  That comes from near the start of the function
and it's still needed.

> > 
> > +                           retval = copy_to_user(dest, &retval, 
> > sizeof(__u32));
> >                             if (retval)
> >                                     retval = -EFAULT;
> Trivial but this can be changed to 
>                               if (copy_to_user())
>                                       retval = -EFAULT;       
> 
retval is the str_id here so you'd need an else statement as well.
                                else
                                        retval = 0;
I can send a separate patch for this.

> Overall its good, tested it as well,

Thanks for that.

regards,
dan carpenter

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