On Wed, Dec 09, 2015 at 09:32:13PM +0530, Vinod Koul wrote:
> On Tue, Dec 08, 2015 at 08:53:22AM +0300, Dan Carpenter wrote:
> > "data" is a u32 pointer so this copies the information to wrong place
> > entirely.
>
> Thanks this patch makes sense, I will test this tomorrow and get back
Sorry this took a little while longer but this works
Acked-by: Vinod Koul <vinod.koul@xxxxxxxxx>
Tested-by: Dharageswari R <dharageswari.r@xxxxxxxxx>
> >
> > Fixes: 140adfba5280 ('ASoC: Intel: Skylake: Add tlv byte kcontrols')
> > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> >
> > diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
> > index dde8d3c..2c4405e 100644
> > --- a/sound/soc/intel/skylake/skl-topology.c
> > +++ b/sound/soc/intel/skylake/skl-topology.c
> > @@ -885,9 +885,9 @@ static int skl_tplg_tlv_control_get(struct snd_kcontrol *kcontrol,
> > if (bc->params) {
> > if (copy_to_user(data, &bc->param_id, sizeof(u32)))
> > return -EFAULT;
> > - if (copy_to_user(data + sizeof(u32), &size, sizeof(u32)))
> > + if (copy_to_user(data + 1, &size, sizeof(u32)))
> > return -EFAULT;
> > - if (copy_to_user(data + 2 * sizeof(u32), bc->params, size))
> > + if (copy_to_user(data + 2, bc->params, size))
> > return -EFAULT;
> > }
> >
>
> --
> ~Vinod
--
~Vinod
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