ASoC: SOF: ipc3: Use devm_kmemdup to replace devm_kmalloc + memcpy

Use the helper function devm_kmemdup() rather than duplicating its
implementation, which helps to enhance code readability.

Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://lore.kernel.org/r/20230810114738.2103792-3-lizetao1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sof/ipc3.c b/sound/soc/sof/ipc3.c
index 33df028..fb40378 100644 (file)
--- a/sound/soc/sof/ipc3.c
+++ b/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);