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hwrng: mtk - handle devm_pm_runtime_enable errors

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[ Upstream commit 522a242a18adc5c63a24836715dbeec4dc3faee1 ]

Although unlikely, devm_pm_runtime_enable() call might fail, so handle
the return value.

Fixes: 78cb66caa6ab ("hwrng: mtk - Use devm_pm_runtime_enable")
Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ovidiu Panait 2025-06-29 20:31:41 +03:00 • committed by Greg Kroah-Hartman
commit 9a7c00f39b
1 changed files with 3 additions and 1 deletions
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4
drivers/char/hw_random/mtk-rng.c
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@ -149,7 +149,9 @@ static int mtk_rng_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, priv);
pm_runtime_set_autosuspend_delay(&pdev->dev, RNG_AUTOSUSPEND_TIMEOUT);
pm_runtime_use_autosuspend(&pdev->dev);
devm_pm_runtime_enable(&pdev->dev);
ret = devm_pm_runtime_enable(&pdev->dev);
if (ret)
return ret;
dev_info(&pdev->dev, "registered RNG driver\n");