diff options
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/intel/skylake/skl-topology.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index c7816d52ad08..c67e3acb8102 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -916,6 +916,13 @@ static int skl_tplg_tlv_control_get(struct snd_kcontrol *kcontrol, skl_get_module_params(skl->skl_sst, (u32 *)bc->params, bc->max, bc->param_id, mconfig); + /* decrement size for TLV header */ + size -= 2 * sizeof(u32); + + /* check size as we don't want to send kernel data */ + if (size > bc->max) + size = bc->max; + if (bc->params) { if (copy_to_user(data, &bc->param_id, sizeof(u32))) return -EFAULT; |