@@ -1017,32 +1017,36 @@ static int rz_ssi_probe(struct platform_device *pdev)
ssi->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
if (IS_ERR(ssi->rstc)) {
- rz_ssi_release_dma_channels(ssi);
- return PTR_ERR(ssi->rstc);
+ ret = PTR_ERR(ssi->rstc);
+ goto err_dma;
}
reset_control_deassert(ssi->rstc);
pm_runtime_enable(&pdev->dev);
ret = pm_runtime_resume_and_get(&pdev->dev);
if (ret < 0) {
- rz_ssi_release_dma_channels(ssi);
- pm_runtime_disable(ssi->dev);
- reset_control_assert(ssi->rstc);
- return dev_err_probe(ssi->dev, ret, "pm_runtime_resume_and_get failed\n");
+ dev_err(&pdev->dev, "pm_runtime_resume_and_get failed\n");
+ goto err_pm;
}
ret = devm_snd_soc_register_component(&pdev->dev, &rz_ssi_soc_component,
rz_ssi_soc_dai,
ARRAY_SIZE(rz_ssi_soc_dai));
if (ret < 0) {
- rz_ssi_release_dma_channels(ssi);
-
- pm_runtime_put(ssi->dev);
- pm_runtime_disable(ssi->dev);
- reset_control_assert(ssi->rstc);
dev_err(&pdev->dev, "failed to register snd component\n");
+ goto err_snd_soc;
}
+ return 0;
+
+err_snd_soc:
+ pm_runtime_put(ssi->dev);
+err_pm:
+ pm_runtime_disable(ssi->dev);
+ reset_control_assert(ssi->rstc);
+err_dma:
+ rz_ssi_release_dma_channels(ssi);
+
return ret;
}
We usually do cleanup in reverse order of init. Currently in case of error rz_ssi_release_dma_channels() done in the reverse order. This patch improves error handling in rz_ssi_probe() error path. While at it, use "goto cleanup" style to reduce code duplication. Reported-by: Pavel Machek <pavel@denx.de> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> --- sound/soc/sh/rz-ssi.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-)