From e8bc3c99fa982f616e74aec4445945400a9c56f3 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 8 Dec 2015 08:53:22 +0300 Subject: [PATCH] ASoC: Intel: Skylake: pointer math issue "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 Acked-by: Vinod Koul Tested-by: Dharageswari R Signed-off-by: Mark Brown --- sound/soc/intel/skylake/skl-topology.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index b824450..34f2f73 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -919,9 +919,9 @@ 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; } -- 2.7.4