[PATCH 2/2] sound: skl-topology: Use kmemdup to replace kzalloc + memcpy

From: zhong jiang
Date: Sat Sep 08 2018 - 04:48:44 EST


kmemdup has implemented the function that kzalloc() + memcpy() will
do. and we prefer to kmemdup rather than the open coded implementation.

Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
sound/soc/intel/skylake/skl-topology.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index 2620d77..52a9915 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -898,11 +898,10 @@ static int skl_tplg_set_module_bind_params(struct snd_soc_dapm_widget *w,
bc = (struct skl_algo_data *)sb->dobj.private;

if (bc->set_params == SKL_PARAM_BIND) {
- params = kzalloc(bc->max, GFP_KERNEL);
+ params = kmemdup(bc->params, bc->max, GFP_KERNEL);
if (!params)
return -ENOMEM;

- memcpy(params, bc->params, bc->max);
skl_fill_sink_instance_id(ctx, params, bc->max,
mconfig);

--
1.7.12.4