debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/sound/soc/fsl/imx-audmix.c
..
..
@@ -230,6 +230,8 @@
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 		dai_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s%s",
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 					  fe_name_pref, args.np->full_name + 1);
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+		if (!dai_name)
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+			return -ENOMEM;
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 		dev_info(pdev->dev.parent, "DAI FE name:%s\n", dai_name);
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..
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@@ -238,6 +240,8 @@
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 			capture_dai_name =
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 				devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s",
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 					       dai_name, "CPU-Capture");
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+			if (!capture_dai_name)
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+				return -ENOMEM;
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 		}
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 		priv->dai[i].cpus = &dlc[0];
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@@ -268,6 +272,8 @@
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 				       "AUDMIX-Playback-%d", i);
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 		be_cp = devm_kasprintf(&pdev->dev, GFP_KERNEL,
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 				       "AUDMIX-Capture-%d", i);
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+		if (!be_name || !be_pb || !be_cp)
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+			return -ENOMEM;
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 		priv->dai[num_dai + i].cpus = &dlc[3];
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 		priv->dai[num_dai + i].codecs = &dlc[4];
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@@ -295,6 +301,9 @@
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 		priv->dapm_routes[i].source =
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 			devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s",
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 				       dai_name, "CPU-Playback");
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+		if (!priv->dapm_routes[i].source)
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+			return -ENOMEM;
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+
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 		priv->dapm_routes[i].sink = be_pb;
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 		priv->dapm_routes[num_dai + i].source   = be_pb;
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 		priv->dapm_routes[num_dai + i].sink     = be_cp;
..
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@@ -313,7 +322,7 @@
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 	if (IS_ERR(priv->cpu_mclk)) {
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 		ret = PTR_ERR(priv->cpu_mclk);
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 		dev_err(&cpu_pdev->dev, "failed to get DAI mclk1: %d\n", ret);
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-		return -EINVAL;
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+		return ret;
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 	}
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 	priv->audmix_pdev = audmix_pdev;