[patch] ASoC: Intel: Skylake: pointer math issue

Dan Carpenter
2015-12-08T05:53:22Z

"data" is a u32 pointer so this copies the information to wrong place
entirely.

Fixes: 140adfba5280 ('ASoC: Intel: Skylake: Add tlv byte kcontrols')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

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;
}