ASoC: codecs: Use kcalloc() instead of kzalloc()

Use devm_kcalloc() in fs_parse_scene_tables() and pcmdev_gain_ctrl_add()
to gain built-in overflow protection, making memory allocation safer when
calculating allocation size compared to explicit multiplication.

Signed-off-by: Qianfeng Rong <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

sound/soc/codecs/fs-amp-lib.c

···
 	if (count <= 0)
 		return -EFAULT;
 
-	scene = devm_kzalloc(amp_lib->dev, count * sizeof(*scene), GFP_KERNEL);
+	scene = devm_kcalloc(amp_lib->dev, count, sizeof(*scene), GFP_KERNEL);
 	if (!scene)
 		return -ENOMEM;
 

sound/soc/codecs/pcm6240.c

···
 		return 0;
 	}
 
-	pcmdev_controls = devm_kzalloc(pcm_dev->dev,
-		nr_chn * sizeof(struct snd_kcontrol_new), GFP_KERNEL);
+	pcmdev_controls = devm_kcalloc(pcm_dev->dev, nr_chn,
+				       sizeof(struct snd_kcontrol_new), GFP_KERNEL);
 	if (!pcmdev_controls)
 		return -ENOMEM;