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ASoC: sti-sas: Fix checking return value for ERR_PTR 

Both devm_regmap_init and syscon_regmap_lookup_by_phandle return ERR_PTR
on failure.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Axel Lin 2015-07-13 13:25:34 +08:00 committed by Mark Brown
parent 32a726b2e0
commit e27d9ee6e7
1 changed files with 4 additions and 4 deletions
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8
sound/soc/codecs/sti-sas.c
View File

@ -568,17 +568,17 @@ static int sti_sas_driver_probe(struct platform_device *pdev)
/* Request the DAC & SPDIF registers memory region */
drvdata->dac.virt_regmap = devm_regmap_init(&pdev->dev, NULL, drvdata,
drvdata->dev_data->regmap);
if (!drvdata->dac.virt_regmap) {
if (IS_ERR(drvdata->dac.virt_regmap)) {
dev_err(&pdev->dev, "audio registers not enabled\n");
return -EFAULT;
return PTR_ERR(drvdata->dac.virt_regmap);
}
/* Request the syscon region */
drvdata->dac.regmap =
syscon_regmap_lookup_by_phandle(pnode, "st,syscfg");
if (!drvdata->dac.regmap) {
if (IS_ERR(drvdata->dac.regmap)) {
dev_err(&pdev->dev, "syscon registers not available\n");
return -EFAULT;
return PTR_ERR(drvdata->dac.regmap);
}
drvdata->spdif.regmap = drvdata->dac.regmap;