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ASoC: Intel: boards: always check the result of acpi_dev_get_first_ma…
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…tch_dev()

The code seems mostly copy-pasted, with some machine drivers
forgetting to test if the 'adev' result is NULL.

Add this check when missing, and use -ENOENT consistently as an error
code.

Link: https://lore.kernel.org/alsa-devel/[email protected]/T/#u
Reported-by: Dan Carpenter <[email protected]>
Signed-off-by: Pierre-Louis Bossart <[email protected]>
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plbossart committed Jul 26, 2024
1 parent 1958a09 commit 96ffc59
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Showing 9 changed files with 24 additions and 4 deletions.
4 changes: 4 additions & 0 deletions sound/soc/intel/boards/bytcht_cx2072x.c
Original file line number Diff line number Diff line change
Expand Up @@ -255,7 +255,11 @@ static int snd_byt_cht_cx2072x_probe(struct platform_device *pdev)
snprintf(codec_name, sizeof(codec_name), "i2c-%s",
acpi_dev_name(adev));
byt_cht_cx2072x_dais[dai_index].codecs->name = codec_name;
} else {
dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
return -ENOENT;
}

acpi_dev_put(adev);

/* override platform name, if required */
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4 changes: 4 additions & 0 deletions sound/soc/intel/boards/bytcht_da7213.c
Original file line number Diff line number Diff line change
Expand Up @@ -258,7 +258,11 @@ static int bytcht_da7213_probe(struct platform_device *pdev)
snprintf(codec_name, sizeof(codec_name),
"i2c-%s", acpi_dev_name(adev));
dailink[dai_index].codecs->name = codec_name;
} else {
dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
return -ENOENT;
}

acpi_dev_put(adev);

/* override platform name, if required */
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2 changes: 1 addition & 1 deletion sound/soc/intel/boards/bytcht_es8316.c
Original file line number Diff line number Diff line change
Expand Up @@ -562,7 +562,7 @@ static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
byt_cht_es8316_dais[dai_index].codecs->name = codec_name;
} else {
dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
return -ENXIO;
return -ENOENT;
}

codec_dev = acpi_get_first_physical_node(adev);
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2 changes: 1 addition & 1 deletion sound/soc/intel/boards/bytcr_rt5640.c
Original file line number Diff line number Diff line change
Expand Up @@ -1693,7 +1693,7 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
byt_rt5640_dais[dai_index].codecs->name = byt_rt5640_codec_name;
} else {
dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
return -ENXIO;
return -ENOENT;
}

codec_dev = acpi_get_first_physical_node(adev);
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2 changes: 1 addition & 1 deletion sound/soc/intel/boards/bytcr_rt5651.c
Original file line number Diff line number Diff line change
Expand Up @@ -926,7 +926,7 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
byt_rt5651_dais[dai_index].codecs->name = byt_rt5651_codec_name;
} else {
dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
return -ENXIO;
return -ENOENT;
}

codec_dev = acpi_get_first_physical_node(adev);
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4 changes: 4 additions & 0 deletions sound/soc/intel/boards/cht_bsw_rt5645.c
Original file line number Diff line number Diff line change
Expand Up @@ -582,7 +582,11 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
snprintf(cht_rt5645_codec_name, sizeof(cht_rt5645_codec_name),
"i2c-%s", acpi_dev_name(adev));
cht_dailink[dai_index].codecs->name = cht_rt5645_codec_name;
} else {
dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
return -ENOENT;
}

/* acpi_get_first_physical_node() returns a borrowed ref, no need to deref */
codec_dev = acpi_get_first_physical_node(adev);
acpi_dev_put(adev);
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4 changes: 4 additions & 0 deletions sound/soc/intel/boards/cht_bsw_rt5672.c
Original file line number Diff line number Diff line change
Expand Up @@ -479,7 +479,11 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
snprintf(drv->codec_name, sizeof(drv->codec_name),
"i2c-%s", acpi_dev_name(adev));
cht_dailink[dai_index].codecs->name = drv->codec_name;
} else {
dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
return -ENOENT;
}

acpi_dev_put(adev);

/* Use SSP0 on Bay Trail CR devices */
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2 changes: 1 addition & 1 deletion sound/soc/intel/boards/sof_es8336.c
Original file line number Diff line number Diff line change
Expand Up @@ -681,7 +681,7 @@ static int sof_es8336_probe(struct platform_device *pdev)
dai_links[0].codecs->dai_name = "ES8326 HiFi";
} else {
dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
return -ENXIO;
return -ENOENT;
}

codec_dev = acpi_get_first_physical_node(adev);
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4 changes: 4 additions & 0 deletions sound/soc/intel/boards/sof_wm8804.c
Original file line number Diff line number Diff line change
Expand Up @@ -270,7 +270,11 @@ static int sof_wm8804_probe(struct platform_device *pdev)
snprintf(codec_name, sizeof(codec_name),
"%s%s", "i2c-", acpi_dev_name(adev));
dailink[dai_index].codecs->name = codec_name;
} else {
dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
return -ENOENT;
}

acpi_dev_put(adev);

snd_soc_card_set_drvdata(card, ctx);
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