ASoC: q6core: Use kmemdup to replace kzalloc + memcpy

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

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/qcom/qdsp6/q6core.c b/sound/soc/qcom/qdsp6/q6core.c
index 06f03a5..ca1be73 100644 (file)
--- a/sound/soc/qcom/qdsp6/q6core.c
+++ b/sound/soc/qcom/qdsp6/q6core.c
@@ -105,12 +105,10 @@ static int q6core_callback(struct apr_device *adev, struct apr_resp_pkt *data)
                bytes = sizeof(*fwk) + fwk->num_services *
                                sizeof(fwk->svc_api_info[0]);
 
-               core->fwk_version = kzalloc(bytes, GFP_ATOMIC);
+               core->fwk_version = kmemdup(data->payload, bytes, GFP_ATOMIC);
                if (!core->fwk_version)
                        return -ENOMEM;
 
-               memcpy(core->fwk_version, data->payload, bytes);
-
                core->fwk_version_supported = true;
                core->resp_received = true;
 
@@ -124,12 +122,10 @@ static int q6core_callback(struct apr_device *adev, struct apr_resp_pkt *data)
 
                len = sizeof(*v) + v->num_services * sizeof(v->svc_api_info[0]);
 
-               core->svc_version = kzalloc(len, GFP_ATOMIC);
+               core->svc_version = kmemdup(data->payload, len, GFP_ATOMIC);
                if (!core->svc_version)
                        return -ENOMEM;
 
-               memcpy(core->svc_version, data->payload, len);
-
                core->get_version_supported = true;
                core->resp_received = true;