Use devm_kmemdup to replace devm_kmalloc + memcpy

Merge series from Li Zetao <lizetao1@huawei.com>:

This patch set use the helper function devm_kmemdup() to replace
devm_kmalloc + memcpy, which is the same as implementing the function
separately.

sound/soc/codecs/tas5805m.c

@@ -520,12 +520,11 @@ static int tas5805m_i2c_probe(struct i2c_client *i2c)
 	}
 
 	tas5805m->dsp_cfg_len = fw->size;
-	tas5805m->dsp_cfg_data = devm_kmalloc(dev, fw->size, GFP_KERNEL);
+	tas5805m->dsp_cfg_data = devm_kmemdup(dev, fw->data, fw->size, GFP_KERNEL);
 	if (!tas5805m->dsp_cfg_data) {
 		release_firmware(fw);
 		return -ENOMEM;
 	}
-	memcpy(tas5805m->dsp_cfg_data, fw->data, fw->size);
 
 	release_firmware(fw);
 

sound/soc/sof/ipc3.c

@@ -567,13 +567,10 @@ int sof_ipc3_get_cc_info(struct snd_sof_dev *sdev,
 	/* create read-only cc_version debugfs to store compiler version info */
 	/* use local copy of the cc_version to prevent data corruption */
 	if (sdev->first_boot) {
-		sdev->cc_version = devm_kmalloc(sdev->dev, cc->ext_hdr.hdr.size,
-						GFP_KERNEL);
-
+		sdev->cc_version = devm_kmemdup(sdev->dev, cc, cc->ext_hdr.hdr.size, GFP_KERNEL);
 		if (!sdev->cc_version)
 			return -ENOMEM;
 
-		memcpy(sdev->cc_version, cc, cc->ext_hdr.hdr.size);
 		ret = snd_sof_debugfs_buf_item(sdev, sdev->cc_version,
 					       cc->ext_hdr.hdr.size,
 					       "cc_version", 0444);